130031142 has 16 divisors (see below), whose sum is σ = 260984640. Its totient is φ = 43189992.

The previous prime is 130031141. The next prime is 130031159. The reversal of 130031142 is 241130031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130031141) 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, 36592 + ... + 39987.

It is an arithmetic number, because the mean of its divisors is an integer number (16311540).

Almost surely, 2^130031142 is an apocalyptic number.

130031142 is an abundant number, since it is smaller than the sum of its proper divisors (130953498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130031142 is a wasteful number, since it uses less digits than its factorization.

130031142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76867.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 130031142 is about 11403.1198362553. The cubic root of 130031142 is about 506.6201497191.

Adding to 130031142 its reverse (241130031), we get a palindrome (371161173).

The spelling of 130031142 in words is "one hundred thirty million, thirty-one thousand, one hundred forty-two".