313000231022 has 4 divisors (see below), whose sum is σ = 469500346536. Its totient is φ = 156500115510.

The previous prime is 313000231009. The next prime is 313000231073. The reversal of 313000231022 is 220132000313.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78250057754 + ... + 78250057757.

It is an arithmetic number, because the mean of its divisors is an integer number (117375086634).

Almost surely, 2^313000231022 is an apocalyptic number.

313000231022 is a deficient number, since it is larger than the sum of its proper divisors (156500115514).

313000231022 is a wasteful number, since it uses less digits than its factorization.

313000231022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156500115513.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 313000231022 its reverse (220132000313), we get a palindrome (533132231335).

The spelling of 313000231022 in words is "three hundred thirteen billion, two hundred thirty-one thousand, twenty-two".