31437214440394 has 24 divisors (see below), whose sum is σ = 55753989220548. Its totient is φ = 13252221541440.

The previous prime is 31437214440383. The next prime is 31437214440421. The reversal of 31437214440394 is 49304441273413.

It can be written as a sum of positive squares in 2 ways, for example, as 29904087582369 + 1533126858025 = 5468463^2 + 1238195^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2629403059 + ... + 2629415014.

Almost surely, 2^{31437214440394} is an apocalyptic number.

31437214440394 is a deficient number, since it is larger than the sum of its proper divisors (24316774780154).

31437214440394 is a wasteful number, since it uses less digits than its factorization.

31437214440394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5258818150 (or 5258818143 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 49.

The spelling of 31437214440394 in words is "thirty-one trillion, four hundred thirty-seven billion, two hundred fourteen million, four hundred forty thousand, three hundred ninety-four".