13031302340 has 48 divisors (see below), whose sum is σ = 31346515200. Its totient is φ = 4457676672.

The previous prime is 13031302313. The next prime is 13031302351. The reversal of 13031302340 is 4320313031.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 44555 + ... + 167474.

It is an arithmetic number, because the mean of its divisors is an integer number (653052400).

Almost surely, 2^13031302340 is an apocalyptic number.

13031302340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13031302340 is an abundant number, since it is smaller than the sum of its proper divisors (18315212860).

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

13031302340 is a wasteful number, since it uses less digits than its factorization.

13031302340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212484 (or 212482 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13031302340 its reverse (4320313031), we get a palindrome (17351615371).

The spelling of 13031302340 in words is "thirteen billion, thirty-one million, three hundred two thousand, three hundred forty".