1345542312013 has 4 divisors (see below), whose sum is σ = 1346487880768. Its totient is φ = 1344596743260.

The previous prime is 1345542311951. The next prime is 1345542312017. The reversal of 1345542312013 is 3102132455431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1345542312013 - 2⁹ = 1345542311501 is a prime.

It is a super-2 number, since 2×1345542312013² (a number of 25 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 1345542312013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345542312017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472782243 + ... + 472785088.

It is an arithmetic number, because the mean of its divisors is an integer number (336621970192).

Almost surely, 2^{1345542312013} is an apocalyptic number.

It is an amenable number.

1345542312013 is a deficient number, since it is larger than the sum of its proper divisors (945568755).

1345542312013 is an equidigital number, since it uses as much as digits as its factorization.

1345542312013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945568754.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 1345542312013 its reverse (3102132455431), we get a palindrome (4447674767444).

The spelling of 1345542312013 in words is "one trillion, three hundred forty-five billion, five hundred forty-two million, three hundred twelve thousand, thirteen".