25351013031 has 16 divisors (see below), whose sum is σ = 34630672608. Its totient is φ = 16486131200.

The previous prime is 25351012859. The next prime is 25351013063. The reversal of 25351013031 is 13031015352.

It is a cyclic number.

It is not a de Polignac number, because 25351013031 - 2¹⁴ = 25350996647 is a prime.

It is a super-2 number, since 2×25351013031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25351012992 and 25351013010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25351013081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1472485 + ... + 1489601.

It is an arithmetic number, because the mean of its divisors is an integer number (2164417038).

Almost surely, 2^25351013031 is an apocalyptic number.

25351013031 is a deficient number, since it is larger than the sum of its proper divisors (9279659577).

25351013031 is a wasteful number, since it uses less digits than its factorization.

25351013031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29202.

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 25351013031 its reverse (13031015352), we get a palindrome (38382028383).

The spelling of 25351013031 in words is "twenty-five billion, three hundred fifty-one million, thirteen thousand, thirty-one".