31414402431 has 12 divisors (see below), whose sum is σ = 45445015720. Its totient is φ = 20911247280.

The previous prime is 31414402403. The next prime is 31414402477. The reversal of 31414402431 is 13420441413.

31414402431 is a `hidden beast` number, since 3 + 1 + 414 + 4 + 0 + 243 + 1 = 666.

It is not a de Polignac number, because 31414402431 - 2⁵ = 31414402399 is a prime.

It is a super-2 number, since 2×31414402431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31414402395 and 31414402404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31414402631) 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, 2634361 + ... + 2646258.

Almost surely, 2^31414402431 is an apocalyptic number.

31414402431 is a deficient number, since it is larger than the sum of its proper divisors (14030613289).

31414402431 is a wasteful number, since it uses less digits than its factorization.

31414402431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5281286 (or 5281283 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 31414402431 its reverse (13420441413), we get a palindrome (44834843844).

The spelling of 31414402431 in words is "thirty-one billion, four hundred fourteen million, four hundred two thousand, four hundred thirty-one".