31729255292713 has 16 divisors (see below), whose sum is σ = 34909211877120. Its totient is φ = 28836996083280.

The previous prime is 31729255292687. The next prime is 31729255292729.

31729255292713 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31729255292713 - 2⁵ = 31729255292681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31729255292743) 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, 1723056 + ... + 8150302.

It is an arithmetic number, because the mean of its divisors is an integer number (2181825742320).

Almost surely, 2^{31729255292713} is an apocalyptic number.

It is an amenable number.

31729255292713 is a deficient number, since it is larger than the sum of its proper divisors (3179956584407).

31729255292713 is an equidigital number, since it uses as much as digits as its factorization.

31729255292713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6430989 (or 6430967 counting only the distinct ones).

The product of its digits is 14288400, while the sum is 58.

The spelling of 31729255292713 in words is "thirty-one trillion, seven hundred twenty-nine billion, two hundred fifty-five million, two hundred ninety-two thousand, seven hundred thirteen".