200312133231 has 24 divisors (see below), whose sum is σ = 321401599920. Its totient is φ = 110517036672.

The previous prime is 200312133193. The next prime is 200312133299. The reversal of 200312133231 is 132331213002.

It is not a de Polignac number, because 200312133231 - 2¹⁴ = 200312116847 is a prime.

It is a super-2 number, since 2×200312133231² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 200312133198 and 200312133207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200312133331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23490006 + ... + 23498531.

It is an arithmetic number, because the mean of its divisors is an integer number (13391733330).

Almost surely, 2^200312133231 is an apocalyptic number.

200312133231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

200312133231 is a deficient number, since it is larger than the sum of its proper divisors (121089466689).

200312133231 is a wasteful number, since it uses less digits than its factorization.

200312133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46988583 (or 46988576 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 200312133231 its reverse (132331213002), we get a palindrome (332643346233).

The spelling of 200312133231 in words is "two hundred billion, three hundred twelve million, one hundred thirty-three thousand, two hundred thirty-one".