331331042128 has 40 divisors (see below), whose sum is σ = 648367430400. Its totient is φ = 164018434944.

The previous prime is 331331042113. The next prime is 331331042131. The reversal of 331331042128 is 821240133133.

It is a super-3 number, since 3×331331042128³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331331042128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411133 + ... + 911971.

It is an arithmetic number, because the mean of its divisors is an integer number (16209185760).

Almost surely, 2^331331042128 is an apocalyptic number.

It is an amenable number.

331331042128 is a deficient number, since it is larger than the sum of its proper divisors (317036388272).

331331042128 is a wasteful number, since it uses less digits than its factorization.

331331042128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501259 (or 501253 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 331331042128 in words is "three hundred thirty-one billion, three hundred thirty-one million, forty-two thousand, one hundred twenty-eight".