31324755742313 has 4 divisors (see below), whose sum is σ = 34172460809808. Its totient is φ = 28477050674820.

The previous prime is 31324755742309. The next prime is 31324755742337.

It is a happy number.

31324755742313 is nontrivially palindromic in base 10.

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 not a de Polignac number, because 31324755742313 - 2² = 31324755742309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31324755742303) 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, 1423852533731 + ... + 1423852533752.

It is an arithmetic number, because the mean of its divisors is an integer number (8543115202452).

Almost surely, 2^{31324755742313} is an apocalyptic number.

It is an amenable number.

31324755742313 is a deficient number, since it is larger than the sum of its proper divisors (2847705067495).

31324755742313 is a wasteful number, since it uses less digits than its factorization.

31324755742313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847705067494.

The product of its digits is 6350400, while the sum is 50.

It can be divided in two parts, 3132475 and 5742313, that added together give a palindrome (8874788).

The spelling of 31324755742313 in words is "thirty-one trillion, three hundred twenty-four billion, seven hundred fifty-five million, seven hundred forty-two thousand, three hundred thirteen".