10131402025 has 24 divisors (see below), whose sum is σ = 13419714744. Its totient is φ = 7560806400.

The previous prime is 10131402019. The next prime is 10131402041. The reversal of 10131402025 is 52020413101.

It can be written as a sum of positive squares in 12 ways, for example, as 1840753216 + 8290648809 = 42904^2 + 91053^2 .

It is not a de Polignac number, because 10131402025 - 2⁹ = 10131401513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10131401993 and 10131402011.

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, 57456 + ... + 153505.

It is an arithmetic number, because the mean of its divisors is an integer number (559154781).

Almost surely, 2^10131402025 is an apocalyptic number.

It is an amenable number.

10131402025 is a deficient number, since it is larger than the sum of its proper divisors (3288312719).

10131402025 is a wasteful number, since it uses less digits than its factorization.

10131402025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211101 (or 211096 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 10131402025 its reverse (52020413101), we get a palindrome (62151815126).

The spelling of 10131402025 in words is "ten billion, one hundred thirty-one million, four hundred two thousand, twenty-five".