30311321332 has 12 divisors (see below), whose sum is σ = 53152850016. Its totient is φ = 15124792760.

The previous prime is 30311321237. The next prime is 30311321429. The reversal of 30311321332 is 23312311303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7714768 + ... + 7718695.

It is an arithmetic number, because the mean of its divisors is an integer number (4429404168).

Almost surely, 2^30311321332 is an apocalyptic number.

It is an amenable number.

30311321332 is a deficient number, since it is larger than the sum of its proper divisors (22841528684).

30311321332 is a wasteful number, since it uses less digits than its factorization.

30311321332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15433958 (or 15433956 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 30311321332 its reverse (23312311303), we get a palindrome (53623632635).

The spelling of 30311321332 in words is "thirty billion, three hundred eleven million, three hundred twenty-one thousand, three hundred thirty-two".