1312112210031 has 48 divisors (see below), whose sum is σ = 2224757580864. Its totient is φ = 729451878912.

The previous prime is 1312112210027. The next prime is 1312112210047. The reversal of 1312112210031 is 1300122112131.

1312112210031 is a `hidden beast` number, since 1 + 312 + 112 + 210 + 0 + 31 = 666.

It is not a de Polignac number, because 1312112210031 - 2² = 1312112210027 is a prime.

It is a super-2 number, since 2×1312112210031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1312112209986 and 1312112210013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312112210021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47298441 + ... + 47326173.

It is an arithmetic number, because the mean of its divisors is an integer number (46349116268).

Almost surely, 2^{1312112210031} is an apocalyptic number.

1312112210031 is a deficient number, since it is larger than the sum of its proper divisors (912645370833).

1312112210031 is a wasteful number, since it uses less digits than its factorization.

1312112210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48080 (or 48077 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1312112210031 its reverse (1300122112131), we get a palindrome (2612234322162).

The spelling of 1312112210031 in words is "one trillion, three hundred twelve billion, one hundred twelve million, two hundred ten thousand, thirty-one".