15031430340 has 48 divisors (see below), whose sum is σ = 42140165760. Its totient is φ = 4003413760.

The previous prime is 15031430317. The next prime is 15031430417. The reversal of 15031430340 is 4303413051.

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 15031430340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106296 + ... + 203375.

It is an arithmetic number, because the mean of its divisors is an integer number (877920120).

Almost surely, 2^15031430340 is an apocalyptic number.

15031430340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15031430340 is an abundant number, since it is smaller than the sum of its proper divisors (27108735420).

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

15031430340 is a wasteful number, since it uses less digits than its factorization.

15031430340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310492 (or 310490 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 15031430340 its reverse (4303413051), we get a palindrome (19334843391).

The spelling of 15031430340 in words is "fifteen billion, thirty-one million, four hundred thirty thousand, three hundred forty".