130031722 has 8 divisors (see below), whose sum is σ = 195098400. Its totient is φ = 64998924.

The previous prime is 130031717. The next prime is 130031723. The reversal of 130031722 is 227130031.

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

It is a self number, because there is not a number n which added to its sum of digits gives 130031722.

It is not an unprimeable number, because it can be changed into a prime (130031723) 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, 6229 + ... + 17287.

It is an arithmetic number, because the mean of its divisors is an integer number (24387300).

Almost surely, 2^130031722 is an apocalyptic number.

130031722 is a deficient number, since it is larger than the sum of its proper divisors (65066678).

130031722 is a wasteful number, since it uses less digits than its factorization.

130031722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16940.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 130031722 is about 11403.1452678636. The cubic root of 130031722 is about 506.6209029726.

Adding to 130031722 its reverse (227130031), we get a palindrome (357161753).

The spelling of 130031722 in words is "one hundred thirty million, thirty-one thousand, seven hundred twenty-two".