26313651231 has 16 divisors (see below), whose sum is σ = 41180696064. Its totient is φ = 14629983264.

The previous prime is 26313651227. The next prime is 26313651257. The reversal of 26313651231 is 13215631362.

It is not a de Polignac number, because 26313651231 - 2² = 26313651227 is a prime.

It is a super-4 number, since 4×26313651231⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 26313651192 and 26313651201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26313651271) 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, 16932075 + ... + 16933628.

It is an arithmetic number, because the mean of its divisors is an integer number (2573793504).

Almost surely, 2^26313651231 is an apocalyptic number.

26313651231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

26313651231 is a deficient number, since it is larger than the sum of its proper divisors (14867044833).

26313651231 is a wasteful number, since it uses less digits than its factorization.

26313651231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33865750.

The product of its digits is 19440, while the sum is 33.

The spelling of 26313651231 in words is "twenty-six billion, three hundred thirteen million, six hundred fifty-one thousand, two hundred thirty-one".