131025442425 has 48 divisors (see below), whose sum is σ = 223696158720. Its totient is φ = 67602024000.

The previous prime is 131025442393. The next prime is 131025442447. The reversal of 131025442425 is 524244520131.

It is not a de Polignac number, because 131025442425 - 2⁵ = 131025442393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7875766 + ... + 7892384.

It is an arithmetic number, because the mean of its divisors is an integer number (4660336640).

Almost surely, 2^131025442425 is an apocalyptic number.

131025442425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131025442425 is a deficient number, since it is larger than the sum of its proper divisors (92670716295).

131025442425 is a wasteful number, since it uses less digits than its factorization.

131025442425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20054 (or 20049 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 131025442425 its reverse (524244520131), we get a palindrome (655269962556).

The spelling of 131025442425 in words is "one hundred thirty-one billion, twenty-five million, four hundred forty-two thousand, four hundred twenty-five".