31347762148 has 6 divisors (see below), whose sum is σ = 54858583766. Its totient is φ = 15673881072.

The previous prime is 31347762113. The next prime is 31347762311. The reversal of 31347762148 is 84126774313.

It can be written as a sum of positive squares in only one way, i.e., 18490016484 + 12857745664 = 135978^2 + 113392^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31347762098 and 31347762107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3918470265 + ... + 3918470272.

Almost surely, 2^31347762148 is an apocalyptic number.

It is an amenable number.

31347762148 is a deficient number, since it is larger than the sum of its proper divisors (23510821618).

31347762148 is a wasteful number, since it uses less digits than its factorization.

31347762148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7836940541 (or 7836940539 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The spelling of 31347762148 in words is "thirty-one billion, three hundred forty-seven million, seven hundred sixty-two thousand, one hundred forty-eight".