2031902002057 has 4 divisors (see below), whose sum is σ = 2032326824320. Its totient is φ = 2031477179796.

The previous prime is 2031902002049. The next prime is 2031902002069. The reversal of 2031902002057 is 7502002091302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2031902002057 - 2³ = 2031902002049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031902002037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212403957 + ... + 212413522.

It is an arithmetic number, because the mean of its divisors is an integer number (508081706080).

Almost surely, 2^{2031902002057} is an apocalyptic number.

It is an amenable number.

2031902002057 is a deficient number, since it is larger than the sum of its proper divisors (424822263).

2031902002057 is an equidigital number, since it uses as much as digits as its factorization.

2031902002057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424822262.

The product of its (nonzero) digits is 7560, while the sum is 31.

Adding to 2031902002057 its reverse (7502002091302), we get a palindrome (9533904093359).

The spelling of 2031902002057 in words is "two trillion, thirty-one billion, nine hundred two million, two thousand, fifty-seven".