30343131312 has 80 divisors (see below), whose sum is σ = 84459260928. Its totient is φ = 9331580160.

The previous prime is 30343131307. The next prime is 30343131323. The reversal of 30343131312 is 21313134303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1325887 + ... + 1348577.

Almost surely, 2^30343131312 is an apocalyptic number.

It is an amenable number.

30343131312 is an abundant number, since it is smaller than the sum of its proper divisors (54116129616).

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

30343131312 is a wasteful number, since it uses less digits than its factorization.

30343131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24858 (or 24852 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 30343131312 its reverse (21313134303), we get a palindrome (51656265615).

The spelling of 30343131312 in words is "thirty billion, three hundred forty-three million, one hundred thirty-one thousand, three hundred twelve".