31749957914 has 4 divisors (see below), whose sum is σ = 47624936874. Its totient is φ = 15874978956.

The previous prime is 31749957907. The next prime is 31749957937. The reversal of 31749957914 is 41975994713.

It is a happy number.

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., 26861571025 + 4888386889 = 163895^2 + 69917^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7937489477 + ... + 7937489480.

Almost surely, 2^31749957914 is an apocalyptic number.

31749957914 is a deficient number, since it is larger than the sum of its proper divisors (15874978960).

31749957914 is a wasteful number, since it uses less digits than its factorization.

31749957914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15874978959.

The product of its digits is 8573040, while the sum is 59.

The spelling of 31749957914 in words is "thirty-one billion, seven hundred forty-nine million, nine hundred fifty-seven thousand, nine hundred fourteen".