1031131222232 has 64 divisors (see below), whose sum is σ = 2053694131200. Its totient is φ = 483976926720.

The previous prime is 1031131222217. The next prime is 1031131222273. The reversal of 1031131222232 is 2322221311301.

It is a junction number, because it is equal to n+sod(n) for n = 1031131222198 and 1031131222207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96987557 + ... + 96998187.

It is an arithmetic number, because the mean of its divisors is an integer number (32088970800).

Almost surely, 2^{1031131222232} is an apocalyptic number.

It is an amenable number.

1031131222232 is a deficient number, since it is larger than the sum of its proper divisors (1022562908968).

1031131222232 is a wasteful number, since it uses less digits than its factorization.

1031131222232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16416 (or 16412 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1031131222232 its reverse (2322221311301), we get a palindrome (3353352533533).

The spelling of 1031131222232 in words is "one trillion, thirty-one billion, one hundred thirty-one million, two hundred twenty-two thousand, two hundred thirty-two".