30140043031 has 12 divisors (see below), whose sum is σ = 35401269072. Its totient is φ = 25583499648.

The previous prime is 30140043023. The next prime is 30140043061. The reversal of 30140043031 is 13034004103.

It is not a de Polignac number, because 30140043031 - 2³ = 30140043023 is a prime.

It is a super-2 number, since 2×30140043031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30140043061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2980890 + ... + 2990983.

It is an arithmetic number, because the mean of its divisors is an integer number (2950105756).

Almost surely, 2^30140043031 is an apocalyptic number.

30140043031 is a deficient number, since it is larger than the sum of its proper divisors (5261226041).

30140043031 is a wasteful number, since it uses less digits than its factorization.

30140043031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5971990 (or 5971983 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30140043031 its reverse (13034004103), we get a palindrome (43174047134).

The spelling of 30140043031 in words is "thirty billion, one hundred forty million, forty-three thousand, thirty-one".