331312451390 has 16 divisors (see below), whose sum is σ = 610231306608. Its totient is φ = 129443004096.

The previous prime is 331312451389. The next prime is 331312451399. The reversal of 331312451390 is 93154213133.

It is a super-2 number, since 2×331312451390² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331312451390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331312451399) 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, 385246607 + ... + 385247466.

It is an arithmetic number, because the mean of its divisors is an integer number (38139456663).

Almost surely, 2^331312451390 is an apocalyptic number.

331312451390 is a deficient number, since it is larger than the sum of its proper divisors (278918855218).

331312451390 is a wasteful number, since it uses less digits than its factorization.

331312451390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770494123.

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 331312451390 in words is "three hundred thirty-one billion, three hundred twelve million, four hundred fifty-one thousand, three hundred ninety".