31437214440393 has 8 divisors (see below), whose sum is σ = 41916353513056. Its totient is φ = 20958109164000.

The previous prime is 31437214440383. The next prime is 31437214440421. The reversal of 31437214440393 is 39304441273413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31437214440393 - 2⁴ = 31437214440377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31437214440323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6192508 + ... + 10060893.

It is an arithmetic number, because the mean of its divisors is an integer number (5239544189132).

Almost surely, 2^{31437214440393} is an apocalyptic number.

It is an amenable number.

31437214440393 is a deficient number, since it is larger than the sum of its proper divisors (10479139072663).

31437214440393 is a wasteful number, since it uses less digits than its factorization.

31437214440393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16898135.

The product of its (nonzero) digits is 2612736, while the sum is 48.

The spelling of 31437214440393 in words is "thirty-one trillion, four hundred thirty-seven billion, two hundred fourteen million, four hundred forty thousand, three hundred ninety-three".