203012010031 has 12 divisors (see below), whose sum is σ = 222621705072. Its totient is φ = 184481489024.

The previous prime is 203012010007. The next prime is 203012010037. The reversal of 203012010031 is 130010210302.

It is not a de Polignac number, because 203012010031 - 2¹¹ = 203012007983 is a prime.

It is a super-2 number, since 2×203012010031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203012009993 and 203012010020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203012010037) 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, 7085515 + ... + 7114108.

It is an arithmetic number, because the mean of its divisors is an integer number (18551808756).

Almost surely, 2^203012010031 is an apocalyptic number.

203012010031 is a deficient number, since it is larger than the sum of its proper divisors (19609695041).

203012010031 is a wasteful number, since it uses less digits than its factorization.

203012010031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14199698 (or 14199669 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 203012010031 its reverse (130010210302), we get a palindrome (333022220333).

The spelling of 203012010031 in words is "two hundred three billion, twelve million, ten thousand, thirty-one".