31311441412 has 6 divisors (see below), whose sum is σ = 54795022478. Its totient is φ = 15655720704.

The previous prime is 31311441367. The next prime is 31311441439. The reversal of 31311441412 is 21414411313.

It can be written as a sum of positive squares in only one way, i.e., 26447215876 + 4864225536 = 162626^2 + 69744^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3913930173 + ... + 3913930180.

Almost surely, 2^31311441412 is an apocalyptic number.

It is an amenable number.

31311441412 is a deficient number, since it is larger than the sum of its proper divisors (23483581066).

31311441412 is a wasteful number, since it uses less digits than its factorization.

31311441412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7827860357 (or 7827860355 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

Adding to 31311441412 its reverse (21414411313), we get a palindrome (52725852725).

The spelling of 31311441412 in words is "thirty-one billion, three hundred eleven million, four hundred forty-one thousand, four hundred twelve".