31431504201 has 8 divisors (see below), whose sum is σ = 41910227424. Its totient is φ = 20953558560.

The previous prime is 31431504199. The next prime is 31431504211. The reversal of 31431504201 is 10240513413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31431504201 - 2¹ = 31431504199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31431504211) 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, 92436 + ... + 267221.

It is an arithmetic number, because the mean of its divisors is an integer number (5238778428).

Almost surely, 2^31431504201 is an apocalyptic number.

It is an amenable number.

31431504201 is a deficient number, since it is larger than the sum of its proper divisors (10478723223).

31431504201 is a wasteful number, since it uses less digits than its factorization.

31431504201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388791.

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 31431504201 in words is "thirty-one billion, four hundred thirty-one million, five hundred four thousand, two hundred one".