13151432131 has 4 divisors (see below), whose sum is σ = 13723233552. Its totient is φ = 12579630712.

The previous prime is 13151432113. The next prime is 13151432149. The reversal of 13151432131 is 13123415131.

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 (13151432113) and next prime (13151432149).

It is a cyclic number.

It is not a de Polignac number, because 13151432131 - 2⁹ = 13151431619 is a prime.

It is a super-2 number, since 2×13151432131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13151432096 and 13151432105.

It is not an unprimeable number, because it can be changed into a prime (13151432171) 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, 285900676 + ... + 285900721.

It is an arithmetic number, because the mean of its divisors is an integer number (3430808388).

Almost surely, 2^13151432131 is an apocalyptic number.

13151432131 is a deficient number, since it is larger than the sum of its proper divisors (571801421).

13151432131 is an equidigital number, since it uses as much as digits as its factorization.

13151432131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571801420.

The product of its digits is 1080, while the sum is 25.

Adding to 13151432131 its reverse (13123415131), we get a palindrome (26274847262).

The spelling of 13151432131 in words is "thirteen billion, one hundred fifty-one million, four hundred thirty-two thousand, one hundred thirty-one".