31440201204 has 48 divisors (see below), whose sum is σ = 73610371520. Its totient is φ = 10444412160.

The previous prime is 31440201193. The next prime is 31440201229. The reversal of 31440201204 is 40210204413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10645392 + ... + 10648344.

Almost surely, 2^31440201204 is an apocalyptic number.

It is an amenable number.

31440201204 is an abundant number, since it is smaller than the sum of its proper divisors (42170170316).

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

31440201204 is a wasteful number, since it uses less digits than its factorization.

31440201204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5680 (or 5678 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 31440201204 its reverse (40210204413), we get a palindrome (71650405617).

The spelling of 31440201204 in words is "thirty-one billion, four hundred forty million, two hundred one thousand, two hundred four".