1345324312131 has 32 divisors (see below), whose sum is σ = 1982811156480. Its totient is φ = 807035986944.

The previous prime is 1345324312099. The next prime is 1345324312133. The reversal of 1345324312131 is 1312134235431.

It is not a de Polignac number, because 1345324312131 - 2⁵ = 1345324312099 is a prime.

It is a super-2 number, since 2×1345324312131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1345324312092 and 1345324312101.

It is not an unprimeable number, because it can be changed into a prime (1345324312133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2175886 + ... + 2724908.

It is an arithmetic number, because the mean of its divisors is an integer number (61962848640).

Almost surely, 2^{1345324312131} is an apocalyptic number.

1345324312131 is a deficient number, since it is larger than the sum of its proper divisors (637486844349).

1345324312131 is a wasteful number, since it uses less digits than its factorization.

1345324312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551155.

The product of its digits is 25920, while the sum is 33.

Adding to 1345324312131 its reverse (1312134235431), we get a palindrome (2657458547562).

The spelling of 1345324312131 in words is "one trillion, three hundred forty-five billion, three hundred twenty-four million, three hundred twelve thousand, one hundred thirty-one".