31405001196 has 24 divisors (see below), whose sum is σ = 73457512240. Its totient is φ = 10442737152.

The previous prime is 31405001191. The next prime is 31405001209. The reversal of 31405001196 is 69110050413.

It is a super-2 number, since 2×31405001196² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31405001191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3194461 + ... + 3204276.

Almost surely, 2^31405001196 is an apocalyptic number.

It is an amenable number.

31405001196 is an abundant number, since it is smaller than the sum of its proper divisors (42052511044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31405001196 is a wasteful number, since it uses less digits than its factorization.

31405001196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6399153 (or 6399151 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The spelling of 31405001196 in words is "thirty-one billion, four hundred five million, one thousand, one hundred ninety-six".