331345621375 has 32 divisors (see below), whose sum is σ = 424102947840. Its totient is φ = 258320311200.

The previous prime is 331345621333. The next prime is 331345621471. The reversal of 331345621375 is 573126543133.

It is a happy number.

It is not a de Polignac number, because 331345621375 - 2²¹ = 331343524223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2289414 + ... + 2429836.

It is an arithmetic number, because the mean of its divisors is an integer number (13253217120).

Almost surely, 2^331345621375 is an apocalyptic number.

331345621375 is a deficient number, since it is larger than the sum of its proper divisors (92757326465).

331345621375 is a wasteful number, since it uses less digits than its factorization.

331345621375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140920 (or 140910 counting only the distinct ones).

The product of its digits is 680400, while the sum is 43.

The spelling of 331345621375 in words is "three hundred thirty-one billion, three hundred forty-five million, six hundred twenty-one thousand, three hundred seventy-five".