203434116631 has 12 divisors (see below), whose sum is σ = 223556650920. Its totient is φ = 184865072000.

The previous prime is 203434116623. The next prime is 203434116647. The reversal of 203434116631 is 136611434302.

It is not a de Polignac number, because 203434116631 - 2³ = 203434116623 is a prime.

It is a super-2 number, since 2×203434116631² (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 (203434110631) 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, 12128245 + ... + 12145006.

It is an arithmetic number, because the mean of its divisors is an integer number (18629720910).

Almost surely, 2^203434116631 is an apocalyptic number.

203434116631 is a deficient number, since it is larger than the sum of its proper divisors (20122534289).

203434116631 is a wasteful number, since it uses less digits than its factorization.

203434116631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24273314 (or 24273297 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 203434116631 in words is "two hundred three billion, four hundred thirty-four million, one hundred sixteen thousand, six hundred thirty-one".