13400245331 has 8 divisors (see below), whose sum is σ = 14631033024. Its totient is φ = 12171554920.

The previous prime is 13400245283. The next prime is 13400245343. The reversal of 13400245331 is 13354200431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13400245331 is a prime.

It is a super-2 number, since 2×13400245331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13400245331.

It is not an unprimeable number, because it can be changed into a prime (13400245031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510941 + ... + 536526.

It is an arithmetic number, because the mean of its divisors is an integer number (1828879128).

Almost surely, 2^13400245331 is an apocalyptic number.

13400245331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13400245331 is a deficient number, since it is larger than the sum of its proper divisors (1230787693).

13400245331 is a wasteful number, since it uses less digits than its factorization.

13400245331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048641.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 13400245331 its reverse (13354200431), we get a palindrome (26754445762).

The spelling of 13400245331 in words is "thirteen billion, four hundred million, two hundred forty-five thousand, three hundred thirty-one".