1210232031231 has 16 divisors (see below), whose sum is σ = 1671954721920. Its totient is φ = 778181383200.

The previous prime is 1210232031223. The next prime is 1210232031247. The reversal of 1210232031231 is 1321302320121.

It is not a de Polignac number, because 1210232031231 - 2³ = 1210232031223 is a prime.

It is a super-2 number, since 2×1210232031231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210232031198 and 1210232031207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210232031251) 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, 64495045 + ... + 64513806.

It is an arithmetic number, because the mean of its divisors is an integer number (104497170120).

Almost surely, 2^{1210232031231} is an apocalyptic number.

1210232031231 is a deficient number, since it is larger than the sum of its proper divisors (461722690689).

1210232031231 is a wasteful number, since it uses less digits than its factorization.

1210232031231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129008966.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1210232031231 its reverse (1321302320121), we get a palindrome (2531534351352).

The spelling of 1210232031231 in words is "one trillion, two hundred ten billion, two hundred thirty-two million, thirty-one thousand, two hundred thirty-one".