231011100010 has 64 divisors (see below), whose sum is σ = 438231720960. Its totient is φ = 87505608960.

The previous prime is 231011099999. The next prime is 231011100013. The reversal of 231011100010 is 10001110132.

It is a super-2 number, since 2×231011100010² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 231011100010.

It is not an unprimeable number, because it can be changed into a prime (231011100013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39682900 + ... + 39688720.

It is an arithmetic number, because the mean of its divisors is an integer number (6847370640).

Almost surely, 2^231011100010 is an apocalyptic number.

231011100010 is a deficient number, since it is larger than the sum of its proper divisors (207220620950).

231011100010 is a wasteful number, since it uses less digits than its factorization.

231011100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7543.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 231011100010 its reverse (10001110132), we get a palindrome (241012210142).

The spelling of 231011100010 in words is "two hundred thirty-one billion, eleven million, one hundred thousand, ten".