15031214140 has 48 divisors (see below), whose sum is σ = 31716720000. Its totient is φ = 5983762752.

The previous prime is 15031214137. The next prime is 15031214153. The reversal of 15031214140 is 4141213051.

It is a congruent number.

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, 4294111 + ... + 4297609.

It is an arithmetic number, because the mean of its divisors is an integer number (660765000).

Almost surely, 2^15031214140 is an apocalyptic number.

15031214140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15031214140 is an abundant number, since it is smaller than the sum of its proper divisors (16685505860).

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

15031214140 is a wasteful number, since it uses less digits than its factorization.

15031214140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4474 (or 4472 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 15031214140 its reverse (4141213051), we get a palindrome (19172427191).

The spelling of 15031214140 in words is "fifteen billion, thirty-one million, two hundred fourteen thousand, one hundred forty".