231011103012 has 48 divisors (see below), whose sum is σ = 540472853760. Its totient is φ = 76797106848.

The previous prime is 231011102989. The next prime is 231011103013. The reversal of 231011103012 is 210301110132.

It is a happy number.

It is a super-2 number, since 2×231011103012² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231011102982 and 231011103000.

It is not an unprimeable number, because it can be changed into a prime (231011103013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30380403 + ... + 30388005.

It is an arithmetic number, because the mean of its divisors is an integer number (11259851120).

Almost surely, 2^231011103012 is an apocalyptic number.

It is an amenable number.

231011103012 is an abundant number, since it is smaller than the sum of its proper divisors (309461750748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231011103012 is a wasteful number, since it uses less digits than its factorization.

231011103012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14072 (or 14070 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 231011103012 its reverse (210301110132), we get a palindrome (441312213144).

The spelling of 231011103012 in words is "two hundred thirty-one billion, eleven million, one hundred three thousand, twelve".