331371653087 has 4 divisors (see below), whose sum is σ = 331373558640. Its totient is φ = 331369747536.

The previous prime is 331371653069. The next prime is 331371653113. The reversal of 331371653087 is 780356173133.

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

It is a cyclic number.

It is not a de Polignac number, because 331371653087 - 2¹² = 331371648991 is a prime.

It is a super-2 number, since 2×331371653087² (a number of 24 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 (331371653047) 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, 662438 + ... + 1049555.

It is an arithmetic number, because the mean of its divisors is an integer number (82843389660).

Almost surely, 2^331371653087 is an apocalyptic number.

331371653087 is a deficient number, since it is larger than the sum of its proper divisors (1905553).

331371653087 is a wasteful number, since it uses less digits than its factorization.

331371653087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905552.

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 331371653087 in words is "three hundred thirty-one billion, three hundred seventy-one million, six hundred fifty-three thousand, eighty-seven".