200312031320 has 32 divisors (see below), whose sum is σ = 452838118320. Its totient is φ = 79745070720.

The previous prime is 200312031287. The next prime is 200312031349. The reversal of 200312031320 is 23130213002.

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, 11858387 + ... + 11875266.

Almost surely, 2^200312031320 is an apocalyptic number.

200312031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200312031320 is an abundant number, since it is smaller than the sum of its proper divisors (252526087000).

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

200312031320 is a wasteful number, since it uses less digits than its factorization.

200312031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23733875 (or 23733871 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 200312031320 its reverse (23130213002), we get a palindrome (223442244322).

The spelling of 200312031320 in words is "two hundred billion, three hundred twelve million, thirty-one thousand, three hundred twenty".