31123222222202 has 16 divisors (see below), whose sum is σ = 51140232373824. Its totient is φ = 14088218280000.

The previous prime is 31123222222193. The next prime is 31123222222229. The reversal of 31123222222202 is 20222222232113.

It is a super-2 number, since 2×31123222222202² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2935040174 + ... + 2935050777.

It is an arithmetic number, because the mean of its divisors is an integer number (3196264523364).

Almost surely, 2^{31123222222202} is an apocalyptic number.

31123222222202 is a deficient number, since it is larger than the sum of its proper divisors (20017010151622).

31123222222202 is a wasteful number, since it uses less digits than its factorization.

31123222222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5870091205.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 31123222222202 its reverse (20222222232113), we get a palindrome (51345444454315).

The spelling of 31123222222202 in words is "thirty-one trillion, one hundred twenty-three billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred two".