13030431020 has 24 divisors (see below), whose sum is σ = 27367729200. Its totient is φ = 5211444032.

The previous prime is 13030431019. The next prime is 13030431041. The reversal of 13030431020 is 2013403031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13030431020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114971 + ... + 198189.

It is an arithmetic number, because the mean of its divisors is an integer number (1140322050).

Almost surely, 2^13030431020 is an apocalyptic number.

13030431020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13030431020 is an abundant number, since it is smaller than the sum of its proper divisors (14337298180).

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

13030431020 is a wasteful number, since it uses less digits than its factorization.

13030431020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91057 (or 91055 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13030431020 its reverse (2013403031), we get a palindrome (15043834051).

The spelling of 13030431020 in words is "thirteen billion, thirty million, four hundred thirty-one thousand, twenty".