31742698897 has 64 divisors (see below), whose sum is σ = 42579066880. Its totient is φ = 22962030336.

The previous prime is 31742698861. The next prime is 31742698901. The reversal of 31742698897 is 79889624713.

It is not a de Polignac number, because 31742698897 - 2¹⁹ = 31742174609 is a prime.

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 31742698897 = 201³ + 3166³ = 2097³ + 2824³.

It is not an unprimeable number, because it can be changed into a prime (31742698817) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8122618 + ... + 8126524.

It is an arithmetic number, because the mean of its divisors is an integer number (665297920).

Almost surely, 2^31742698897 is an apocalyptic number.

31742698897 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

31742698897 is the 102864-th hex number.

It is an amenable number.

31742698897 is a deficient number, since it is larger than the sum of its proper divisors (10836367983).

31742698897 is a wasteful number, since it uses less digits than its factorization.

31742698897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110.

The product of its digits is 36578304, while the sum is 64.

The spelling of 31742698897 in words is "thirty-one billion, seven hundred forty-two million, six hundred ninety-eight thousand, eight hundred ninety-seven".