13453525431 has 12 divisors (see below), whose sum is σ = 19437303600. Its totient is φ = 8966970720.

The previous prime is 13453525409. The next prime is 13453525441. The reversal of 13453525431 is 13452535431.

13453525431 is a `hidden beast` number, since 1 + 345 + 35 + 254 + 31 = 666.

It is not a de Polignac number, because 13453525431 - 2⁶ = 13453525367 is a prime.

It is a super-2 number, since 2×13453525431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13453525441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128331 + ... + 208268.

It is an arithmetic number, because the mean of its divisors is an integer number (1619775300).

Almost surely, 2^13453525431 is an apocalyptic number.

13453525431 is a deficient number, since it is larger than the sum of its proper divisors (5983778169).

13453525431 is a wasteful number, since it uses less digits than its factorization.

13453525431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341046 (or 341043 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The spelling of 13453525431 in words is "thirteen billion, four hundred fifty-three million, five hundred twenty-five thousand, four hundred thirty-one".