331433012000 has 96 divisors (see below), whose sum is σ = 834193052784. Its totient is φ = 129339648000.

The previous prime is 331433011957. The next prime is 331433012063. The reversal of 331433012000 is 210334133.

It can be written as a sum of positive squares in 8 ways, for example, as 5679732496 + 325753279504 = 75364^2 + 570748^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846467 + ... + 1174466.

Almost surely, 2^331433012000 is an apocalyptic number.

It is an amenable number.

331433012000 is an abundant number, since it is smaller than the sum of its proper divisors (502760040784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331433012000 is a wasteful number, since it uses less digits than its factorization.

331433012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020999 (or 2020981 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 331433012000 its reverse (210334133), we get a palindrome (331643346133).

The spelling of 331433012000 in words is "three hundred thirty-one billion, four hundred thirty-three million, twelve thousand".