131232403243430 has 8 divisors (see below), whose sum is σ = 236218325838192. Its totient is φ = 52492961297368.

The previous prime is 131232403243427. The next prime is 131232403243477. The reversal of 131232403243430 is 34342304232131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×131232403243430² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6561620162162 + ... + 6561620162181.

It is an arithmetic number, because the mean of its divisors is an integer number (29527290729774).

Almost surely, 2^{131232403243430} is an apocalyptic number.

131232403243430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131232403243430 is a deficient number, since it is larger than the sum of its proper divisors (104985922594762).

131232403243430 is a wasteful number, since it uses less digits than its factorization.

131232403243430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13123240324350.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 131232403243430 its reverse (34342304232131), we get a palindrome (165574707475561).

The spelling of 131232403243430 in words is "one hundred thirty-one trillion, two hundred thirty-two billion, four hundred three million, two hundred forty-three thousand, four hundred thirty".