1312022003031 has 12 divisors (see below), whose sum is σ = 1895173057752. Its totient is φ = 874667413296.

The previous prime is 1312022003029. The next prime is 1312022003059. The reversal of 1312022003031 is 1303002202131.

It is not a de Polignac number, because 1312022003031 - 2¹ = 1312022003029 is a prime.

It is a super-2 number, since 2×1312022003031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1312022002995 and 1312022003013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312022005031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 546216 + ... + 1709501.

It is an arithmetic number, because the mean of its divisors is an integer number (157931088146).

Almost surely, 2^{1312022003031} is an apocalyptic number.

1312022003031 is a deficient number, since it is larger than the sum of its proper divisors (583151054721).

1312022003031 is a wasteful number, since it uses less digits than its factorization.

1312022003031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320350 (or 2320347 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1312022003031 its reverse (1303002202131), we get a palindrome (2615024205162).

The spelling of 1312022003031 in words is "one trillion, three hundred twelve billion, twenty-two million, three thousand, thirty-one".