1325220345231 has 16 divisors (see below), whose sum is σ = 1768297440384. Its totient is φ = 882811933344.

The previous prime is 1325220345143. The next prime is 1325220345233. The reversal of 1325220345231 is 1325430225231.

It is not a de Polignac number, because 1325220345231 - 2³⁵ = 1290860606863 is a prime.

It is a super-2 number, since 2×1325220345231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1325220345192 and 1325220345201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325220345233) 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, 32877616 + ... + 32917898.

It is an arithmetic number, because the mean of its divisors is an integer number (110518590024).

Almost surely, 2^{1325220345231} is an apocalyptic number.

1325220345231 is a deficient number, since it is larger than the sum of its proper divisors (443077095153).

1325220345231 is a wasteful number, since it uses less digits than its factorization.

1325220345231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48310.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 1325220345231 in words is "one trillion, three hundred twenty-five billion, two hundred twenty million, three hundred forty-five thousand, two hundred thirty-one".