30103131020 has 12 divisors (see below), whose sum is σ = 63216575184. Its totient is φ = 12041252400.

The previous prime is 30103131017. The next prime is 30103131041. The reversal of 30103131020 is 2013130103.

It is a junction number, because it is equal to n+sod(n) for n = 30103130986 and 30103131004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752578256 + ... + 752578295.

It is an arithmetic number, because the mean of its divisors is an integer number (5268047932).

Almost surely, 2^30103131020 is an apocalyptic number.

It is an amenable number.

30103131020 is an abundant number, since it is smaller than the sum of its proper divisors (33113444164).

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

30103131020 is a wasteful number, since it uses less digits than its factorization.

30103131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505156560 (or 1505156558 counting only the distinct ones).

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

Adding to 30103131020 its reverse (2013130103), we get a palindrome (32116261123).

The spelling of 30103131020 in words is "thirty billion, one hundred three million, one hundred thirty-one thousand, twenty".