131403330425 has 24 divisors (see below), whose sum is σ = 168959524440. Its totient is φ = 101256422400.

The previous prime is 131403330391. The next prime is 131403330433. The reversal of 131403330425 is 524033304131.

It can be written as a sum of positive squares in 12 ways, for example, as 47565865216 + 83837465209 = 218096^2 + 289547^2 .

It is not a de Polignac number, because 131403330425 - 2⁶ = 131403330361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89969 + ... + 520481.

It is an arithmetic number, because the mean of its divisors is an integer number (7039980185).

Almost surely, 2^131403330425 is an apocalyptic number.

It is an amenable number.

131403330425 is a deficient number, since it is larger than the sum of its proper divisors (37556194015).

131403330425 is a wasteful number, since it uses less digits than its factorization.

131403330425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430973 (or 430968 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 131403330425 its reverse (524033304131), we get a palindrome (655436634556).

The spelling of 131403330425 in words is "one hundred thirty-one billion, four hundred three million, three hundred thirty thousand, four hundred twenty-five".