25314261231 has 16 divisors (see below), whose sum is σ = 38600100864. Its totient is φ = 14455546464.

The previous prime is 25314261223. The next prime is 25314261277. The reversal of 25314261231 is 13216241352.

It is not a de Polignac number, because 25314261231 - 2³ = 25314261223 is a prime.

It is a super-2 number, since 2×25314261231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25314261221) 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, 374100 + ... + 436553.

It is an arithmetic number, because the mean of its divisors is an integer number (2412506304).

Almost surely, 2^25314261231 is an apocalyptic number.

25314261231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

25314261231 is a deficient number, since it is larger than the sum of its proper divisors (13285839633).

25314261231 is a wasteful number, since it uses less digits than its factorization.

25314261231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812150.

The product of its digits is 8640, while the sum is 30.

The spelling of 25314261231 in words is "twenty-five billion, three hundred fourteen million, two hundred sixty-one thousand, two hundred thirty-one".