31347386354 has 4 divisors (see below), whose sum is σ = 47021079534. Its totient is φ = 15673693176.

The previous prime is 31347386327. The next prime is 31347386393. The reversal of 31347386354 is 45368374313.

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., 21748285729 + 9599100625 = 147473^2 + 97975^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31347386299 and 31347386308.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7836846587 + ... + 7836846590.

Almost surely, 2^31347386354 is an apocalyptic number.

31347386354 is a deficient number, since it is larger than the sum of its proper divisors (15673693180).

31347386354 is a wasteful number, since it uses less digits than its factorization.

31347386354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15673693179.

The product of its digits is 2177280, while the sum is 47.

The spelling of 31347386354 in words is "thirty-one billion, three hundred forty-seven million, three hundred eighty-six thousand, three hundred fifty-four".