30020113031 has 8 divisors (see below), whose sum is σ = 32196348720. Its totient is φ = 27903500352.

The previous prime is 30020112979. The next prime is 30020113037. The reversal of 30020113031 is 13031102003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30020113031 is a prime.

It is a super-2 number, since 2×30020113031² (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 = 30020112997 and 30020113015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020113037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14904710 + ... + 14906723.

It is an arithmetic number, because the mean of its divisors is an integer number (4024543590).

Almost surely, 2^30020113031 is an apocalyptic number.

30020113031 is a deficient number, since it is larger than the sum of its proper divisors (2176235689).

30020113031 is a wasteful number, since it uses less digits than its factorization.

30020113031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29811505.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 30020113031 its reverse (13031102003), we get a palindrome (43051215034).

The spelling of 30020113031 in words is "thirty billion, twenty million, one hundred thirteen thousand, thirty-one".