131130434 has 8 divisors (see below), whose sum is σ = 203040768. Its totient is φ = 63450180.

The previous prime is 131130361. The next prime is 131130437. The reversal of 131130434 is 434031131.

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

It is not an unprimeable number, because it can be changed into a prime (131130437) 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, 1057442 + ... + 1057565.

It is an arithmetic number, because the mean of its divisors is an integer number (25380096).

Almost surely, 2^131130434 is an apocalyptic number.

131130434 is a deficient number, since it is larger than the sum of its proper divisors (71910334).

131130434 is a wasteful number, since it uses less digits than its factorization.

131130434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115040.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 131130434 is about 11451.2197603574. The cubic root of 131130434 is about 508.0438122256.

Adding to 131130434 its reverse (434031131), we get a palindrome (565161565).

The spelling of 131130434 in words is "one hundred thirty-one million, one hundred thirty thousand, four hundred thirty-four".