25035323131 has 32 divisors (see below), whose sum is σ = 31608389120. Its totient is φ = 19298974464.

The previous prime is 25035323123. The next prime is 25035323167. The reversal of 25035323131 is 13132353052.

It is not a de Polignac number, because 25035323131 - 2³ = 25035323123 is a prime.

It is a super-2 number, since 2×25035323131² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25035323131.

It is not an unprimeable number, because it can be changed into a prime (25035323171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1592596 + ... + 1608238.

It is an arithmetic number, because the mean of its divisors is an integer number (987762160).

Almost surely, 2^25035323131 is an apocalyptic number.

25035323131 is a deficient number, since it is larger than the sum of its proper divisors (6573065989).

25035323131 is a wasteful number, since it uses less digits than its factorization.

25035323131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16115.

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 25035323131 its reverse (13132353052), we get a palindrome (38167676183).

The spelling of 25035323131 in words is "twenty-five billion, thirty-five million, three hundred twenty-three thousand, one hundred thirty-one".