203012023031 has 12 divisors (see below), whose sum is σ = 213322103568. Its totient is φ = 193179174144.

The previous prime is 203012023001. The next prime is 203012023069. The reversal of 203012023031 is 130320210302.

It is not a de Polignac number, because 203012023031 - 2¹⁴ = 203012006647 is a prime.

It is a super-2 number, since 2×203012023031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203012023001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 892115 + ... + 1096308.

It is an arithmetic number, because the mean of its divisors is an integer number (17776841964).

Almost surely, 2^203012023031 is an apocalyptic number.

203012023031 is a deficient number, since it is larger than the sum of its proper divisors (10310080537).

203012023031 is a wasteful number, since it uses less digits than its factorization.

203012023031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988662 (or 1988639 counting only the distinct ones).

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

Adding to 203012023031 its reverse (130320210302), we get a palindrome (333332233333).

The spelling of 203012023031 in words is "two hundred three billion, twelve million, twenty-three thousand, thirty-one".