30431140111 has 12 divisors (see below), whose sum is σ = 32533369024. Its totient is φ = 28433966400.

The previous prime is 30431140073. The next prime is 30431140121. The reversal of 30431140111 is 11104113403.

It is a de Polignac number, because none of the positive numbers 2^k-30431140111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30431140121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 557550 + ... + 609691.

Almost surely, 2^30431140111 is an apocalyptic number.

30431140111 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30431140111 is a deficient number, since it is larger than the sum of its proper divisors (2102228913).

30431140111 is a wasteful number, since it uses less digits than its factorization.

30431140111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167330 (or 1167301 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 30431140111 its reverse (11104113403), we get a palindrome (41535253514).

The spelling of 30431140111 in words is "thirty billion, four hundred thirty-one million, one hundred forty thousand, one hundred eleven".