131402202325 has 12 divisors (see below), whose sum is σ = 168557308740. Its totient is φ = 101496872960.

The previous prime is 131402202317. The next prime is 131402202329. The reversal of 131402202325 is 523202204131.

It can be written as a sum of positive squares in 6 ways, for example, as 30374215524 + 101027986801 = 174282^2 + 317849^2 .

It is not a de Polignac number, because 131402202325 - 2³ = 131402202317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 131402202325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131402202329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90621484 + ... + 90622933.

It is an arithmetic number, because the mean of its divisors is an integer number (14046442395).

Almost surely, 2^131402202325 is an apocalyptic number.

It is an amenable number.

131402202325 is a deficient number, since it is larger than the sum of its proper divisors (37155106415).

131402202325 is a wasteful number, since it uses less digits than its factorization.

131402202325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181244456 (or 181244451 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 131402202325 its reverse (523202204131), we get a palindrome (654604406456).

The spelling of 131402202325 in words is "one hundred thirty-one billion, four hundred two million, two hundred two thousand, three hundred twenty-five".