131322620425 has 24 divisors (see below), whose sum is σ = 172482210432. Its totient is φ = 98841888000.

The previous prime is 131322620419. The next prime is 131322620431. The reversal of 131322620425 is 524026223131.

It is an interprime number because it is at equal distance from previous prime (131322620419) and next prime (131322620431).

It is not a de Polignac number, because 131322620425 - 2¹⁵ = 131322587657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1130820 + ... + 1241530.

It is an arithmetic number, because the mean of its divisors is an integer number (7186758768).

Almost surely, 2^131322620425 is an apocalyptic number.

It is an amenable number.

131322620425 is a deficient number, since it is larger than the sum of its proper divisors (41159590007).

131322620425 is a wasteful number, since it uses less digits than its factorization.

131322620425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113529 (or 113524 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 131322620425 its reverse (524026223131), we get a palindrome (655348843556).

The spelling of 131322620425 in words is "one hundred thirty-one billion, three hundred twenty-two million, six hundred twenty thousand, four hundred twenty-five".