331421257071 has 16 divisors (see below), whose sum is σ = 519876482400. Its totient is φ = 207950592384.

The previous prime is 331421257049. The next prime is 331421257081. The reversal of 331421257071 is 170752124133.

331421257071 is a `hidden beast` number, since 3 + 3 + 1 + 4 + 2 + 12 + 570 + 71 = 666.

It is not a de Polignac number, because 331421257071 - 2¹⁴ = 331421240687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331421257081) 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, 361024876 + ... + 361025793.

It is an arithmetic number, because the mean of its divisors is an integer number (32492280150).

Almost surely, 2^331421257071 is an apocalyptic number.

331421257071 is a deficient number, since it is larger than the sum of its proper divisors (188455225329).

331421257071 is a wasteful number, since it uses less digits than its factorization.

331421257071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722050695 (or 722050689 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 331421257071 in words is "three hundred thirty-one billion, four hundred twenty-one million, two hundred fifty-seven thousand, seventy-one".