502057031021 has 32 divisors (see below), whose sum is σ = 624677813760. Its totient is φ = 392894717184.

The previous prime is 502057030987. The next prime is 502057031029. The reversal of 502057031021 is 120130750205.

It is a cyclic number.

It is not a de Polignac number, because 502057031021 - 2¹⁴ = 502057014637 is a prime.

It is a super-2 number, since 2×502057031021² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502057031029) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7737911 + ... + 7802523.

It is an arithmetic number, because the mean of its divisors is an integer number (19521181680).

Almost surely, 2^502057031021 is an apocalyptic number.

It is an amenable number.

502057031021 is a deficient number, since it is larger than the sum of its proper divisors (122620782739).

502057031021 is a wasteful number, since it uses less digits than its factorization.

502057031021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65565.

The product of its (nonzero) digits is 2100, while the sum is 26.

Adding to 502057031021 its reverse (120130750205), we get a palindrome (622187781226).

The spelling of 502057031021 in words is "five hundred two billion, fifty-seven million, thirty-one thousand, twenty-one".