30423112031 has 16 divisors (see below), whose sum is σ = 33127315200. Its totient is φ = 27771571200.

The previous prime is 30423111989. The next prime is 30423112051. The reversal of 30423112031 is 13021132403.

It is a cyclic number.

It is not a de Polignac number, because 30423112031 - 2⁶ = 30423111967 is a prime.

It is a super-2 number, since 2×30423112031² (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 = 30423111994 and 30423112012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30423112051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1119695 + ... + 1146543.

It is an arithmetic number, because the mean of its divisors is an integer number (2070457200).

Almost surely, 2^30423112031 is an apocalyptic number.

30423112031 is a deficient number, since it is larger than the sum of its proper divisors (2704203169).

30423112031 is a wasteful number, since it uses less digits than its factorization.

30423112031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27826.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30423112031 its reverse (13021132403), we get a palindrome (43444244434).

The spelling of 30423112031 in words is "thirty billion, four hundred twenty-three million, one hundred twelve thousand, thirty-one".