13215253402342 has 32 divisors (see below), whose sum is σ = 20020425523200. Its totient is φ = 6542159528448.

The previous prime is 13215253402333. The next prime is 13215253402361. The reversal of 13215253402342 is 24320435251231.

It is a super-2 number, since 2×13215253402342² (a number of 27 digits) contains 22 as substring.

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, 79031259 + ... + 79198297.

It is an arithmetic number, because the mean of its divisors is an integer number (625638297600).

Almost surely, 2^{13215253402342} is an apocalyptic number.

13215253402342 is a deficient number, since it is larger than the sum of its proper divisors (6805172120858).

13215253402342 is a wasteful number, since it uses less digits than its factorization.

13215253402342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168180.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 13215253402342 its reverse (24320435251231), we get a palindrome (37535688653573).

The spelling of 13215253402342 in words is "thirteen trillion, two hundred fifteen billion, two hundred fifty-three million, four hundred two thousand, three hundred forty-two".