1210031231031 has 36 divisors (see below), whose sum is σ = 2033284164912. Its totient is φ = 691411581504.

The previous prime is 1210031230999. The next prime is 1210031231047. The reversal of 1210031231031 is 1301321300121.

1210031231031 is a `hidden beast` number, since 1 + 2 + 10 + 0 + 312 + 310 + 31 = 666.

It is not a de Polignac number, because 1210031231031 - 2⁵ = 1210031230999 is a prime.

It is a super-2 number, since 2×1210031231031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210031230995 and 1210031231013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210031232031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10537035 + ... + 10651251.

It is an arithmetic number, because the mean of its divisors is an integer number (56480115692).

Almost surely, 2^{1210031231031} is an apocalyptic number.

1210031231031 is a deficient number, since it is larger than the sum of its proper divisors (823252933881).

1210031231031 is a wasteful number, since it uses less digits than its factorization.

1210031231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138260 (or 138250 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1210031231031 its reverse (1301321300121), we get a palindrome (2511352531152).

The spelling of 1210031231031 in words is "one trillion, two hundred ten billion, thirty-one million, two hundred thirty-one thousand, thirty-one".