31862717053 has 4 divisors (see below), whose sum is σ = 31866929820. Its totient is φ = 31858504288.

The previous prime is 31862717039. The next prime is 31862717057. The reversal of 31862717053 is 35071726813.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11504278564 + 20358438489 = 107258^2 + 142683^2 .

It is a cyclic number.

It is not a de Polignac number, because 31862717053 - 2¹³ = 31862708861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31862717057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2095018 + ... + 2110171.

It is an arithmetic number, because the mean of its divisors is an integer number (7966732455).

Almost surely, 2^31862717053 is an apocalyptic number.

It is an amenable number.

31862717053 is a deficient number, since it is larger than the sum of its proper divisors (4212767).

31862717053 is an equidigital number, since it uses as much as digits as its factorization.

31862717053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212766.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 31862717053 in words is "thirty-one billion, eight hundred sixty-two million, seven hundred seventeen thousand, fifty-three".