13254237231 has 4 divisors (see below), whose sum is σ = 17672316312. Its totient is φ = 8836158152.

The previous prime is 13254237229. The next prime is 13254237233. The reversal of 13254237231 is 13273245231.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13254237229) and next prime (13254237233).

It is a cyclic number.

It is not a de Polignac number, because 13254237231 - 2¹ = 13254237229 is a prime.

It is a super-2 number, since 2×13254237231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13254237192 and 13254237201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13254237233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2209039536 + ... + 2209039541.

It is an arithmetic number, because the mean of its divisors is an integer number (4418079078).

Almost surely, 2^13254237231 is an apocalyptic number.

13254237231 is a deficient number, since it is larger than the sum of its proper divisors (4418079081).

13254237231 is an equidigital number, since it uses as much as digits as its factorization.

13254237231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4418079080.

The product of its digits is 30240, while the sum is 33.

The spelling of 13254237231 in words is "thirteen billion, two hundred fifty-four million, two hundred thirty-seven thousand, two hundred thirty-one".