231211103231032 has 64 divisors (see below), whose sum is σ = 452259499760640. Its totient is φ = 110692874073600.

The previous prime is 231211103230963. The next prime is 231211103231051. The reversal of 231211103231032 is 230132301112132.

It is a super-2 number, since 2×231211103231032² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231211103230988 and 231211103231006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389383 + ... + 21507529.

It is an arithmetic number, because the mean of its divisors is an integer number (7066554683760).

Almost surely, 2^{231211103231032} is an apocalyptic number.

It is an amenable number.

231211103231032 is a deficient number, since it is larger than the sum of its proper divisors (221048396529608).

231211103231032 is a wasteful number, since it uses less digits than its factorization.

231211103231032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21118652 (or 21118648 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 231211103231032 its reverse (230132301112132), we get a palindrome (461343404343164).

The spelling of 231211103231032 in words is "two hundred thirty-one trillion, two hundred eleven billion, one hundred three million, two hundred thirty-one thousand, thirty-two".