31310000730653 has 4 divisors (see below), whose sum is σ = 31312079624988. Its totient is φ = 31307921836320.

The previous prime is 31310000730623. The next prime is 31310000730817. The reversal of 31310000730653 is 35603700001313.

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 13990270487449 + 17319730243204 = 3740357^2 + 4161698^2 .

It is a cyclic number.

It is not a de Polignac number, because 31310000730653 - 2¹⁴ = 31310000714269 is a prime.

It is a super-2 number, since 2×31310000730653² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31310000730623) 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, 1039424576 + ... + 1039454697.

It is an arithmetic number, because the mean of its divisors is an integer number (7828019906247).

Almost surely, 2^{31310000730653} is an apocalyptic number.

It is an amenable number.

31310000730653 is a deficient number, since it is larger than the sum of its proper divisors (2078894335).

31310000730653 is a wasteful number, since it uses less digits than its factorization.

31310000730653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078894334.

The product of its (nonzero) digits is 17010, while the sum is 32.

Adding to 31310000730653 its reverse (35603700001313), we get a palindrome (66913700731966).

The spelling of 31310000730653 in words is "thirty-one trillion, three hundred ten billion, seven hundred thirty thousand, six hundred fifty-three".