2031291472568 has 16 divisors (see below), whose sum is σ = 3825449803080. Its totient is φ = 1011171525088.

The previous prime is 2031291472549. The next prime is 2031291472571. The reversal of 2031291472568 is 8652741921302.

It is a super-2 number, since 2×2031291472568² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559274471 + ... + 559278102.

It is a 1-persistent number, because it is pandigital, but 2⋅2031291472568 = 4062582945136 is not.

Almost surely, 2^{2031291472568} is an apocalyptic number.

It is an amenable number.

2031291472568 is a deficient number, since it is larger than the sum of its proper divisors (1794158330512).

2031291472568 is a wasteful number, since it uses less digits than its factorization.

2031291472568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118552806 (or 1118552802 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 2031291472568 in words is "two trillion, thirty-one billion, two hundred ninety-one million, four hundred seventy-two thousand, five hundred sixty-eight".