30000102431 has 6 divisors (see below), whose sum is σ = 32485318200. Its totient is φ = 27692402088.

The previous prime is 30000102427. The next prime is 30000102437. The reversal of 30000102431 is 13420100003.

It is not a de Polignac number, because 30000102431 - 2² = 30000102427 is a prime.

It is a super-2 number, since 2×30000102431² (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 (30000102437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88757531 + ... + 88757868.

It is an arithmetic number, because the mean of its divisors is an integer number (5414219700).

Almost surely, 2^30000102431 is an apocalyptic number.

30000102431 is a deficient number, since it is larger than the sum of its proper divisors (2485215769).

30000102431 is a wasteful number, since it uses less digits than its factorization.

30000102431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177515425 (or 177515412 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30000102431 its reverse (13420100003), we get a palindrome (43420202434).

The spelling of 30000102431 in words is "thirty billion, one hundred two thousand, four hundred thirty-one".