31361613354623 has 4 divisors (see below), whose sum is σ = 31569306158448. Its totient is φ = 31153920550800.

The previous prime is 31361613354581. The next prime is 31361613354653. The reversal of 31361613354623 is 32645331616313.

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

It is a cyclic number.

It is not a de Polignac number, because 31361613354623 - 2⁶ = 31361613354559 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 (31361613354653) 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, 103846401686 + ... + 103846401987.

It is an arithmetic number, because the mean of its divisors is an integer number (7892326539612).

Almost surely, 2^{31361613354623} is an apocalyptic number.

31361613354623 is a deficient number, since it is larger than the sum of its proper divisors (207692803825).

31361613354623 is a wasteful number, since it uses less digits than its factorization.

31361613354623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207692803824.

The product of its digits is 2099520, while the sum is 47.

The spelling of 31361613354623 in words is "thirty-one trillion, three hundred sixty-one billion, six hundred thirteen million, three hundred fifty-four thousand, six hundred twenty-three".