30233104031 has 4 divisors (see below), whose sum is σ = 32558727432. Its totient is φ = 27907480632.

The previous prime is 30233104007. The next prime is 30233104061. The reversal of 30233104031 is 13040133203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30233104031 is a prime.

It is a super-2 number, since 2×30233104031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30233103994 and 30233104012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30233104061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1162811681 + ... + 1162811706.

It is an arithmetic number, because the mean of its divisors is an integer number (8139681858).

Almost surely, 2^30233104031 is an apocalyptic number.

30233104031 is a deficient number, since it is larger than the sum of its proper divisors (2325623401).

30233104031 is a wasteful number, since it uses less digits than its factorization.

30233104031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325623400.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30233104031 its reverse (13040133203), we get a palindrome (43273237234).

The spelling of 30233104031 in words is "thirty billion, two hundred thirty-three million, one hundred four thousand, thirty-one".