531014001020 has 24 divisors (see below), whose sum is σ = 1115597847168. Its totient is φ = 212316372800.

The previous prime is 531014001013. The next prime is 531014001031. The reversal of 531014001020 is 20100410135.

It is a super-2 number, since 2×531014001020² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 531014001020.

It is a congruent number.

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, 5527916 + ... + 5623155.

It is an arithmetic number, because the mean of its divisors is an integer number (46483243632).

Almost surely, 2^531014001020 is an apocalyptic number.

It is an amenable number.

531014001020 is an abundant number, since it is smaller than the sum of its proper divisors (584583846148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531014001020 is a wasteful number, since it uses less digits than its factorization.

531014001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11153461 (or 11153459 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 531014001020 its reverse (20100410135), we get a palindrome (551114411155).

The spelling of 531014001020 in words is "five hundred thirty-one billion, fourteen million, one thousand, twenty".