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130231130023 = 7391151153107
BaseRepresentation
bin111100101001001100…
…0010101011110100111
3110110011000211212102001
41321102120111132213
54113203132130043
6135454413030131
712260151224551
oct1712230253647
9413130755361
10130231130023
115025a094585
12212a6185347
13c385a3b267
1464360724d1
1535c32bb74d
hex1e526157a7

130231130023 has 8 divisors (see below), whose sum is σ = 130521507840. Its totient is φ = 129941062200.

The previous prime is 130231129991. The next prime is 130231130047. The reversal of 130231130023 is 320031132031.

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 130231130023 - 25 = 130231129991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130231130923) 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, 774036 + ... + 927142.

It is an arithmetic number, because the mean of its divisors is an integer number (16315188480).

Almost surely, 2130231130023 is an apocalyptic number.

130231130023 is a deficient number, since it is larger than the sum of its proper divisors (290377817).

130231130023 is a wasteful number, since it uses less digits than its factorization.

130231130023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154997.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 130231130023 its reverse (320031132031), we get a palindrome (450262262054).

The spelling of 130231130023 in words is "one hundred thirty billion, two hundred thirty-one million, one hundred thirty thousand, twenty-three".

Divisors: 1 739 1151 153107 850589 113146073 176226157 130231130023