313012323291 has 4 divisors (see below), whose sum is σ = 417349764392. Its totient is φ = 208674882192.

The previous prime is 313012323271. The next prime is 313012323341. The reversal of 313012323291 is 192323210313.

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

It is not a de Polignac number, because 313012323291 - 2¹⁹ = 313011799003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313012323271) 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, 52168720546 + ... + 52168720551.

It is an arithmetic number, because the mean of its divisors is an integer number (104337441098).

Almost surely, 2^313012323291 is an apocalyptic number.

313012323291 is a deficient number, since it is larger than the sum of its proper divisors (104337441101).

313012323291 is a wasteful number, since it uses less digits than its factorization.

313012323291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104337441100.

The product of its (nonzero) digits is 5832, while the sum is 30.

The spelling of 313012323291 in words is "three hundred thirteen billion, twelve million, three hundred twenty-three thousand, two hundred ninety-one".