31443122134413 has 12 divisors (see below), whose sum is σ = 49546737908928. Its totient is φ = 19056437657160.

The previous prime is 31443122134387. The next prime is 31443122134427.

31443122134413 is a `hidden beast` number, since 3 + 1 + 4 + 431 + 2 + 213 + 4 + 4 + 1 + 3 = 666.

31443122134413 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31443122134413 - 2⁶ = 31443122134349 is a prime.

It is a super-2 number, since 2×31443122134413² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31443122132413) 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, 158803647045 + ... + 158803647242.

It is an arithmetic number, because the mean of its divisors is an integer number (4128894825744).

Almost surely, 2^{31443122134413} is an apocalyptic number.

31443122134413 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31443122134413 is a deficient number, since it is larger than the sum of its proper divisors (18103615774515).

31443122134413 is a wasteful number, since it uses less digits than its factorization.

31443122134413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317607294304 (or 317607294301 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

It can be divided in two parts, 3144312 and 2134413, that added together give a palindrome (5278725).

The spelling of 31443122134413 in words is "thirty-one trillion, four hundred forty-three billion, one hundred twenty-two million, one hundred thirty-four thousand, four hundred thirteen".