313034331223021 has 8 divisors (see below), whose sum is σ = 316998791770880. Its totient is φ = 309069920691792.

The previous prime is 313034331222973. The next prime is 313034331223039. The reversal of 313034331223021 is 120322133430313.

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

It is a cyclic number.

It is not a de Polignac number, because 313034331223021 - 2²³ = 313034322834413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313034331223121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173191 + ... + 25021963.

It is an arithmetic number, because the mean of its divisors is an integer number (39624848971360).

Almost surely, 2^{313034331223021} is an apocalyptic number.

It is an amenable number.

313034331223021 is a deficient number, since it is larger than the sum of its proper divisors (3964460547859).

313034331223021 is a wasteful number, since it uses less digits than its factorization.

313034331223021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25008315.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 313034331223021 its reverse (120322133430313), we get a palindrome (433356464653334).

The spelling of 313034331223021 in words is "three hundred thirteen trillion, thirty-four billion, three hundred thirty-one million, two hundred twenty-three thousand, twenty-one".