331020475 has 12 divisors (see below), whose sum is σ = 411458040. Its totient is φ = 264176000.

The previous prime is 331020433. The next prime is 331020509. The reversal of 331020475 is 574020133.

It is not a de Polignac number, because 331020475 - 2²¹ = 328923323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5326 + ... + 26275.

It is an arithmetic number, because the mean of its divisors is an integer number (34288170).

Almost surely, 2^331020475 is an apocalyptic number.

331020475 is a deficient number, since it is larger than the sum of its proper divisors (80437565).

331020475 is a wasteful number, since it uses less digits than its factorization.

331020475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32030 (or 32025 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 331020475 is about 18193.9680938491. The cubic root of 331020475 is about 691.7539045785.

The spelling of 331020475 in words is "three hundred thirty-one million, twenty thousand, four hundred seventy-five".