331871422377 has 16 divisors (see below), whose sum is σ = 482733699840. Its totient is φ = 201129349200.

The previous prime is 331871422361. The next prime is 331871422387. The reversal of 331871422377 is 773224178133.

It is not a de Polignac number, because 331871422377 - 2⁴ = 331871422361 is a prime.

It is a super-2 number, since 2×331871422377² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331871422357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1660074 + ... + 1849212.

It is an arithmetic number, because the mean of its divisors is an integer number (30170856240).

Almost surely, 2^331871422377 is an apocalyptic number.

It is an amenable number.

331871422377 is a deficient number, since it is larger than the sum of its proper divisors (150862277463).

331871422377 is a wasteful number, since it uses less digits than its factorization.

331871422377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242324.

The product of its digits is 1185408, while the sum is 48.

The spelling of 331871422377 in words is "three hundred thirty-one billion, eight hundred seventy-one million, four hundred twenty-two thousand, three hundred seventy-seven".