130231143 has 24 divisors (see below), whose sum is σ = 215438496. Its totient is φ = 74260800.

The previous prime is 130231139. The next prime is 130231147. The reversal of 130231143 is 341132031.

It is an interprime number because it is at equal distance from previous prime (130231139) and next prime (130231147).

It is not a de Polignac number, because 130231143 - 2² = 130231139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130231147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32173 + ... + 35993.

It is an arithmetic number, because the mean of its divisors is an integer number (8976604).

Almost surely, 2^130231143 is an apocalyptic number.

130231143 is a deficient number, since it is larger than the sum of its proper divisors (85207353).

130231143 is a wasteful number, since it uses less digits than its factorization.

130231143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375 (or 4372 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 130231143 is about 11411.8860404405. The cubic root of 130231143 is about 506.8797609431.

Adding to 130231143 its reverse (341132031), we get a palindrome (471363174).

The spelling of 130231143 in words is "one hundred thirty million, two hundred thirty-one thousand, one hundred forty-three".