31347442754 has 4 divisors (see below), whose sum is σ = 47021164134. Its totient is φ = 15673721376.

The previous prime is 31347442741. The next prime is 31347442781. The reversal of 31347442754 is 45724474313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30745869025 + 601573729 = 175345^2 + 24527^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7836860687 + ... + 7836860690.

Almost surely, 2^31347442754 is an apocalyptic number.

31347442754 is a deficient number, since it is larger than the sum of its proper divisors (15673721380).

31347442754 is a wasteful number, since it uses less digits than its factorization.

31347442754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15673721379.

The product of its digits is 1128960, while the sum is 44.

The spelling of 31347442754 in words is "thirty-one billion, three hundred forty-seven million, four hundred forty-two thousand, seven hundred fifty-four".