13431500002320 has 40 divisors (see below), whose sum is σ = 41637650007936. Its totient is φ = 3581733333888.

The previous prime is 13431500002303. The next prime is 13431500002337. The reversal of 13431500002320 is 2320000513431.

It is an interprime number because it is at equal distance from previous prime (13431500002303) and next prime (13431500002337).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 27982291432 + ... + 27982291911.

Almost surely, 2^{13431500002320} is an apocalyptic number.

13431500002320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13431500002320 is an abundant number, since it is smaller than the sum of its proper divisors (28206150005616).

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

13431500002320 is a wasteful number, since it uses less digits than its factorization.

13431500002320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55964583359 (or 55964583353 counting only the distinct ones).

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

Adding to 13431500002320 its reverse (2320000513431), we get a palindrome (15751500515751).

The spelling of 13431500002320 in words is "thirteen trillion, four hundred thirty-one billion, five hundred million, two thousand, three hundred twenty".