1345242613631 has 16 divisors (see below), whose sum is σ = 1547870039040. Its totient is φ = 1145230315200.

The previous prime is 1345242613591. The next prime is 1345242613669. The reversal of 1345242613631 is 1363162425431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1345242613631 - 2³⁸ = 1070364706687 is a prime.

It is a super-2 number, since 2×1345242613631² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345242613681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6157475 + ... + 6372203.

It is an arithmetic number, because the mean of its divisors is an integer number (96741877440).

Almost surely, 2^{1345242613631} is an apocalyptic number.

1345242613631 is a deficient number, since it is larger than the sum of its proper divisors (202627425409).

1345242613631 is a wasteful number, since it uses less digits than its factorization.

1345242613631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220814.

The product of its digits is 311040, while the sum is 41.

The spelling of 1345242613631 in words is "one trillion, three hundred forty-five billion, two hundred forty-two million, six hundred thirteen thousand, six hundred thirty-one".