130223431 has 8 divisors (see below), whose sum is σ = 141931440. Its totient is φ = 118756992.

The previous prime is 130223419. The next prime is 130223437. The reversal of 130223431 is 134322031.

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

It is a cyclic number.

It is not a de Polignac number, because 130223431 - 2⁵ = 130223399 is a prime.

It is a super-2 number, since 2×130223431² = 33916283962823522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130223399 and 130223408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130223437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59266 + ... + 61423.

It is an arithmetic number, because the mean of its divisors is an integer number (17741430).

Almost surely, 2^130223431 is an apocalyptic number.

130223431 is a deficient number, since it is larger than the sum of its proper divisors (11708009).

130223431 is a wasteful number, since it uses less digits than its factorization.

130223431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120785.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 130223431 is about 11411.5481421234. The cubic root of 130223431 is about 506.8697553131.

Adding to 130223431 its reverse (134322031), we get a palindrome (264545462).

The spelling of 130223431 in words is "one hundred thirty million, two hundred twenty-three thousand, four hundred thirty-one".