33031213012330 has 96 divisors (see below), whose sum is σ = 64904533286400. Its totient is φ = 12097412211456.

The previous prime is 33031213012309. The next prime is 33031213012349. The reversal of 33031213012330 is 3321031213033.

It is a super-2 number, since 2×33031213012330² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33031213012295 and 33031213012304.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119958951 + ... + 120233989.

It is an arithmetic number, because the mean of its divisors is an integer number (676088888400).

Almost surely, 2^{33031213012330} is an apocalyptic number.

33031213012330 is a deficient number, since it is larger than the sum of its proper divisors (31873320274070).

33031213012330 is a wasteful number, since it uses less digits than its factorization.

33031213012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275648 (or 275635 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 33031213012330 its reverse (3321031213033), we get a palindrome (36352244225363).

The spelling of 33031213012330 in words is "thirty-three trillion, thirty-one billion, two hundred thirteen million, twelve thousand, three hundred thirty".