203012332131 has 24 divisors (see below), whose sum is σ = 314898421584. Its totient is φ = 115998886080.

The previous prime is 203012332121. The next prime is 203012332139. The reversal of 203012332131 is 131233210302.

It is not a de Polignac number, because 203012332131 - 2⁵ = 203012332099 is a prime.

It is a super-2 number, since 2×203012332131² (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 = 203012332098 and 203012332107.

It is not an unprimeable number, because it can be changed into a prime (203012332139) 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, 2502141 + ... + 2582001.

It is an arithmetic number, because the mean of its divisors is an integer number (13120767566).

Almost surely, 2^203012332131 is an apocalyptic number.

203012332131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

203012332131 is a deficient number, since it is larger than the sum of its proper divisors (111886089453).

203012332131 is a wasteful number, since it uses less digits than its factorization.

203012332131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97171 (or 97164 counting only the distinct ones).

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

Adding to 203012332131 its reverse (131233210302), we get a palindrome (334245542433).

The spelling of 203012332131 in words is "two hundred three billion, twelve million, three hundred thirty-two thousand, one hundred thirty-one".