30311031112 has 8 divisors (see below), whose sum is σ = 56833183350. Its totient is φ = 15155515552.

The previous prime is 30311031103. The next prime is 30311031133. The reversal of 30311031112 is 21113011303.

It can be written as a sum of positive squares in only one way, i.e., 25152056836 + 5158974276 = 158594^2 + 71826^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1894439437 + ... + 1894439452.

Almost surely, 2^30311031112 is an apocalyptic number.

It is an amenable number.

30311031112 is a deficient number, since it is larger than the sum of its proper divisors (26522152238).

30311031112 is a wasteful number, since it uses less digits than its factorization.

30311031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788878895 (or 3788878891 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 30311031112 its reverse (21113011303), we get a palindrome (51424042415).

The spelling of 30311031112 in words is "thirty billion, three hundred eleven million, thirty-one thousand, one hundred twelve".