13275953431 has 4 divisors (see below), whose sum is σ = 14297180632. Its totient is φ = 12254726232.

The previous prime is 13275953423. The next prime is 13275953437. The reversal of 13275953431 is 13435957231.

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

It is a cyclic number.

It is not a de Polignac number, because 13275953431 - 2³ = 13275953423 is a prime.

It is a super-2 number, since 2×13275953431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13275953437) 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, 510613581 + ... + 510613606.

It is an arithmetic number, because the mean of its divisors is an integer number (3574295158).

Almost surely, 2^13275953431 is an apocalyptic number.

13275953431 is a deficient number, since it is larger than the sum of its proper divisors (1021227201).

13275953431 is a wasteful number, since it uses less digits than its factorization.

13275953431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021227200.

The product of its digits is 340200, while the sum is 43.

The spelling of 13275953431 in words is "thirteen billion, two hundred seventy-five million, nine hundred fifty-three thousand, four hundred thirty-one".