130731342 has 32 divisors (see below), whose sum is σ = 300029184. Its totient is φ = 37200000.

The previous prime is 130731311. The next prime is 130731347. The reversal of 130731342 is 243137031.

It is a super-2 number, since 2×130731342² = 34181367562241928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130731347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4342 + ... + 16742.

It is an arithmetic number, because the mean of its divisors is an integer number (9375912).

Almost surely, 2^130731342 is an apocalyptic number.

130731342 is an abundant number, since it is smaller than the sum of its proper divisors (169297842).

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

130731342 is a wasteful number, since it uses less digits than its factorization.

130731342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12664.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 130731342 is about 11433.7807395454. The cubic root of 130731342 is about 507.5278825064.

Adding to 130731342 its reverse (243137031), we get a palindrome (373868373).

The spelling of 130731342 in words is "one hundred thirty million, seven hundred thirty-one thousand, three hundred forty-two".