30472031898 has 96 divisors (see below), whose sum is σ = 85932342720. Its totient is φ = 7914805920.

The previous prime is 30472031897. The next prime is 30472031899. The reversal of 30472031898 is 89813027403.

30472031898 is a `hidden beast` number, since 304 + 7 + 20 + 318 + 9 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (30472031897) and next prime (30472031899).

It is not an unprimeable number, because it can be changed into a prime (30472031897) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 494361 + ... + 552572.

It is an arithmetic number, because the mean of its divisors is an integer number (895128570).

Almost surely, 2^30472031898 is an apocalyptic number.

30472031898 is an abundant number, since it is smaller than the sum of its proper divisors (55460310822).

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

30472031898 is a wasteful number, since it uses less digits than its factorization.

30472031898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046969 (or 1046956 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 30472031898 in words is "thirty billion, four hundred seventy-two million, thirty-one thousand, eight hundred ninety-eight".