30911122732 has 24 divisors (see below), whose sum is σ = 62115253760. Its totient is φ = 13184836560.

The previous prime is 30911122727. The next prime is 30911122733. The reversal of 30911122732 is 23722111903.

It is a junction number, because it is equal to n+sod(n) for n = 30911122694 and 30911122703.

It is not an unprimeable number, because it can be changed into a prime (30911122733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2610132 + ... + 2621947.

Almost surely, 2^30911122732 is an apocalyptic number.

It is an amenable number.

30911122732 is an abundant number, since it is smaller than the sum of its proper divisors (31204131028).

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

30911122732 is a wasteful number, since it uses less digits than its factorization.

30911122732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5232301 (or 5232299 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 30911122732 in words is "thirty billion, nine hundred eleven million, one hundred twenty-two thousand, seven hundred thirty-two".