31310145341 has 4 divisors (see below), whose sum is σ = 32671456032. Its totient is φ = 29948834652.

The previous prime is 31310145323. The next prime is 31310145397. The reversal of 31310145341 is 14354101313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31310145341 - 2¹⁴ = 31310128957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31310145341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31310142341) 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, 680655311 + ... + 680655356.

It is an arithmetic number, because the mean of its divisors is an integer number (8167864008).

Almost surely, 2^31310145341 is an apocalyptic number.

It is an amenable number.

31310145341 is a deficient number, since it is larger than the sum of its proper divisors (1361310691).

31310145341 is a wasteful number, since it uses less digits than its factorization.

31310145341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361310690.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 31310145341 its reverse (14354101313), we get a palindrome (45664246654).

The spelling of 31310145341 in words is "thirty-one billion, three hundred ten million, one hundred forty-five thousand, three hundred forty-one".