31001222432413 has 16 divisors (see below), whose sum is σ = 31601843159040. Its totient is φ = 30403155585904.

The previous prime is 31001222432377. The next prime is 31001222432419. The reversal of 31001222432413 is 31423422210013.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31001222432413 is a prime.

It is a super-2 number, since 2×31001222432413² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31001222432419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75263220 + ... + 75674002.

It is an arithmetic number, because the mean of its divisors is an integer number (1975115197440).

Almost surely, 2^{31001222432413} is an apocalyptic number.

It is an amenable number.

31001222432413 is a deficient number, since it is larger than the sum of its proper divisors (600620726627).

31001222432413 is a wasteful number, since it uses less digits than its factorization.

31001222432413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413888.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 31001222432413 its reverse (31423422210013), we get a palindrome (62424644642426).

The spelling of 31001222432413 in words is "thirty-one trillion, one billion, two hundred twenty-two million, four hundred thirty-two thousand, four hundred thirteen".