31477350399999 has 32 divisors (see below), whose sum is σ = 48513567820800. Its totient is φ = 17782678248192.

The previous prime is 31477350399919. The next prime is 31477350400007. The reversal of 31477350399999 is 99999305377413.

It is not a de Polignac number, because 31477350399999 - 2⁹ = 31477350399487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31477350399919) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23332014 + ... + 24644219.

It is an arithmetic number, because the mean of its divisors is an integer number (1516048994400).

Almost surely, 2^{31477350399999} is an apocalyptic number.

31477350399999 is a deficient number, since it is larger than the sum of its proper divisors (17036217420801).

31477350399999 is a wasteful number, since it uses less digits than its factorization.

31477350399999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47976599.

The product of its (nonzero) digits is 1562436540, while the sum is 78.

The spelling of 31477350399999 in words is "thirty-one trillion, four hundred seventy-seven billion, three hundred fifty million, three hundred ninety-nine thousand, nine hundred ninety-nine".