30431113140 has 24 divisors (see below), whose sum is σ = 85207116960. Its totient is φ = 8114963488.

The previous prime is 30431113123. The next prime is 30431113159. The reversal of 30431113140 is 4131113403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253592550 + ... + 253592669.

It is an arithmetic number, because the mean of its divisors is an integer number (3550296540).

Almost surely, 2^30431113140 is an apocalyptic number.

30431113140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30431113140 is an abundant number, since it is smaller than the sum of its proper divisors (54776003820).

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

30431113140 is a wasteful number, since it uses less digits than its factorization.

30431113140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507185231 (or 507185229 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 30431113140 its reverse (4131113403), we get a palindrome (34562226543).

The spelling of 30431113140 in words is "thirty billion, four hundred thirty-one million, one hundred thirteen thousand, one hundred forty".