130134831 has 4 divisors (see below), whose sum is σ = 173513112. Its totient is φ = 86756552.

The previous prime is 130134827. The next prime is 130134839. The reversal of 130134831 is 138431031.

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 130134831 - 2² = 130134827 is a prime.

It is a super-2 number, since 2×130134831² = 33870148478797122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130134839) 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, 21689136 + ... + 21689141.

It is an arithmetic number, because the mean of its divisors is an integer number (43378278).

Almost surely, 2^130134831 is an apocalyptic number.

130134831 is a deficient number, since it is larger than the sum of its proper divisors (43378281).

130134831 is an equidigital number, since it uses as much as digits as its factorization.

130134831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43378280.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 130134831 is about 11407.6654491618. The cubic root of 130134831 is about 506.7547763915.

Adding to 130134831 its reverse (138431031), we get a palindrome (268565862).

The spelling of 130134831 in words is "one hundred thirty million, one hundred thirty-four thousand, eight hundred thirty-one".