331021000030 has 16 divisors (see below), whose sum is σ = 680957485920. Its totient is φ = 113492914272.

The previous prime is 331021000001. The next prime is 331021000049. The reversal of 331021000030 is 30000120133.

It is a super-2 number, since 2×331021000030² (a number of 24 digits) contains 22 as substring.

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, 2364435645 + ... + 2364435784.

It is an arithmetic number, because the mean of its divisors is an integer number (42559842870).

Almost surely, 2^331021000030 is an apocalyptic number.

331021000030 is an abundant number, since it is smaller than the sum of its proper divisors (349936485890).

331021000030 is a wasteful number, since it uses less digits than its factorization.

331021000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728871443.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 331021000030 its reverse (30000120133), we get a palindrome (361021120163).

The spelling of 331021000030 in words is "three hundred thirty-one billion, twenty-one million, thirty", and thus it is an aban number.