31343756077057 has 8 divisors (see below), whose sum is σ = 31860107911872. Its totient is φ = 30827485525200.

The previous prime is 31343756077043. The next prime is 31343756077061. The reversal of 31343756077057 is 75077065734313.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31343756077057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31343756076992 and 31343756077010.

It is not an unprimeable number, because it can be changed into a prime (31343756077087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19542919 + ... + 21085852.

It is an arithmetic number, because the mean of its divisors is an integer number (3982513488984).

Almost surely, 2^{31343756077057} is an apocalyptic number.

It is an amenable number.

31343756077057 is a deficient number, since it is larger than the sum of its proper divisors (516351834815).

31343756077057 is a wasteful number, since it uses less digits than its factorization.

31343756077057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40641479.

The product of its (nonzero) digits is 38896200, while the sum is 58.

The spelling of 31343756077057 in words is "thirty-one trillion, three hundred forty-three billion, seven hundred fifty-six million, seventy-seven thousand, fifty-seven".