531623343030 has 64 divisors (see below), whose sum is σ = 1375891937280. Its totient is φ = 130684934016.

The previous prime is 531623343011. The next prime is 531623343067. The reversal of 531623343030 is 30343326135.

It is a junction number, because it is equal to n+sod(n) for n = 531623342982 and 531623343000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 627550 + ... + 1207089.

It is an arithmetic number, because the mean of its divisors is an integer number (21498311520).

Almost surely, 2^531623343030 is an apocalyptic number.

531623343030 is an abundant number, since it is smaller than the sum of its proper divisors (844268594250).

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

531623343030 is a wasteful number, since it uses less digits than its factorization.

531623343030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835405.

The product of its (nonzero) digits is 58320, while the sum is 33.

Adding to 531623343030 its reverse (30343326135), we get a palindrome (561966669165).

The spelling of 531623343030 in words is "five hundred thirty-one billion, six hundred twenty-three million, three hundred forty-three thousand, thirty".