1345021306131 has 8 divisors (see below), whose sum is σ = 1855201801680. Its totient is φ = 865760840672.

The previous prime is 1345021306063. The next prime is 1345021306133. The reversal of 1345021306131 is 1316031205431.

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

It is a cyclic number.

It is not a de Polignac number, because 1345021306131 - 2¹⁵ = 1345021273363 is a prime.

It is a super-2 number, since 2×1345021306131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1345021306133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7730007420 + ... + 7730007593.

It is an arithmetic number, because the mean of its divisors is an integer number (231900225210).

Almost surely, 2^{1345021306131} is an apocalyptic number.

1345021306131 is a deficient number, since it is larger than the sum of its proper divisors (510180495549).

1345021306131 is a wasteful number, since it uses less digits than its factorization.

1345021306131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15460015045.

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 1345021306131 in words is "one trillion, three hundred forty-five billion, twenty-one million, three hundred six thousand, one hundred thirty-one".