13430534131 has 4 divisors (see below), whose sum is σ = 15349181872. Its totient is φ = 11511886392.

The previous prime is 13430534113. The next prime is 13430534171. The reversal of 13430534131 is 13143503431.

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 13430534131 - 2¹³ = 13430525939 is a prime.

It is a super-2 number, since 2×13430534131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13430534131.

It is not an unprimeable number, because it can be changed into a prime (13430534101) 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, 959323860 + ... + 959323873.

It is an arithmetic number, because the mean of its divisors is an integer number (3837295468).

Almost surely, 2^13430534131 is an apocalyptic number.

13430534131 is a deficient number, since it is larger than the sum of its proper divisors (1918647741).

13430534131 is an equidigital number, since it uses as much as digits as its factorization.

13430534131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918647740.

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 13430534131 in words is "thirteen billion, four hundred thirty million, five hundred thirty-four thousand, one hundred thirty-one".