30131013420 has 84 divisors (see below), whose sum is σ = 94869339600. Its totient is φ = 8034933024.

The previous prime is 30131013413. The next prime is 30131013421. The reversal of 30131013420 is 2431013103.

30131013420 is a `hidden beast` number, since 301 + 310 + 1 + 34 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30131013393 and 30131013402.

It is not an unprimeable number, because it can be changed into a prime (30131013421) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1018720 + ... + 1047879.

It is an arithmetic number, because the mean of its divisors is an integer number (1129396900).

Almost surely, 2^30131013420 is an apocalyptic number.

30131013420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30131013420 is an abundant number, since it is smaller than the sum of its proper divisors (64738326180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30131013420 is a wasteful number, since it uses less digits than its factorization.

30131013420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066626 (or 2066609 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30131013420 its reverse (2431013103), we get a palindrome (32562026523).

The spelling of 30131013420 in words is "thirty billion, one hundred thirty-one million, thirteen thousand, four hundred twenty".