31000202000122 has 16 divisors (see below), whose sum is σ = 47156350176000. Its totient is φ = 15281428916880.

The previous prime is 31000202000101. The next prime is 31000202000161. The reversal of 31000202000122 is 22100020200013.

It is a super-2 number, since 2×31000202000122² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3508879 + ... + 8620477.

It is an arithmetic number, because the mean of its divisors is an integer number (2947271886000).

Almost surely, 2^{31000202000122} is an apocalyptic number.

31000202000122 is a deficient number, since it is larger than the sum of its proper divisors (16156148175878).

31000202000122 is a wasteful number, since it uses less digits than its factorization.

31000202000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5154381.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 31000202000122 its reverse (22100020200013), we get a palindrome (53100222200135).

The spelling of 31000202000122 in words is "thirty-one trillion, two hundred two million, one hundred twenty-two", and thus it is an aban number.