31648058678413 has 4 divisors (see below), whose sum is σ = 31672272955680. Its totient is φ = 31623844401148.

The previous prime is 31648058678377. The next prime is 31648058678437. The reversal of 31648058678413 is 31487685084613.

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 31648058678413 - 2³³ = 31639468743821 is a prime.

It is a super-2 number, since 2×31648058678413² (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 (31648058678713) 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, 12107136673 + ... + 12107139286.

It is an arithmetic number, because the mean of its divisors is an integer number (7918068238920).

Almost surely, 2^{31648058678413} is an apocalyptic number.

It is an amenable number.

31648058678413 is a deficient number, since it is larger than the sum of its proper divisors (24214277267).

31648058678413 is a wasteful number, since it uses less digits than its factorization.

31648058678413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24214277266.

The product of its (nonzero) digits is 92897280, while the sum is 64.

The spelling of 31648058678413 in words is "thirty-one trillion, six hundred forty-eight billion, fifty-eight million, six hundred seventy-eight thousand, four hundred thirteen".