31214511683329 has 16 divisors (see below), whose sum is σ = 33643132220880. Its totient is φ = 28789829222400.

The previous prime is 31214511683321. The next prime is 31214511683357. The reversal of 31214511683329 is 92338611541213.

It can be written as a sum of positive squares in 8 ways, for example, as 14623740810000 + 16590770873329 = 3824100^2 + 4073177^2 .

It is a cyclic number.

It is not a de Polignac number, because 31214511683329 - 2³ = 31214511683321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31214511683321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85250157 + ... + 85615525.

It is an arithmetic number, because the mean of its divisors is an integer number (2102695763805).

Almost surely, 2^{31214511683329} is an apocalyptic number.

It is an amenable number.

31214511683329 is a deficient number, since it is larger than the sum of its proper divisors (2428620537551).

31214511683329 is a wasteful number, since it uses less digits than its factorization.

31214511683329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370740.

The product of its digits is 933120, while the sum is 49.

The spelling of 31214511683329 in words is "thirty-one trillion, two hundred fourteen billion, five hundred eleven million, six hundred eighty-three thousand, three hundred twenty-nine".