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23013211331 = 1119110111059
BaseRepresentation
bin10101011011101100…
…011011110011000011
32012101211102021010102
4111123230123303003
5334112340230311
614323324553015
71443201032405
oct253354336303
965354367112
1023013211331
11983a3a3320
1245630b276b
132229a36616
14118456ab75
158ea56e43b
hex55bb1bcc3

23013211331 has 8 divisors (see below), whose sum is σ = 26426654400. Its totient is φ = 19819990440.

The previous prime is 23013211313. The next prime is 23013211343. The reversal of 23013211331 is 13311231032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23013211331 - 26 = 23013211267 is a prime.

It is a super-2 number, since 2×230132113312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23013211631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55055321 + ... + 55055738.

It is an arithmetic number, because the mean of its divisors is an integer number (3303331800).

Almost surely, 223013211331 is an apocalyptic number.

23013211331 is a deficient number, since it is larger than the sum of its proper divisors (3413443069).

23013211331 is a wasteful number, since it uses less digits than its factorization.

23013211331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110111089.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23013211331 its reverse (13311231032), we get a palindrome (36324442363).

The spelling of 23013211331 in words is "twenty-three billion, thirteen million, two hundred eleven thousand, three hundred thirty-one".

Divisors: 1 11 19 209 110111059 1211221649 2092110121 23013211331