130031022 has 64 divisors (see below), whose sum is σ = 301996800. Its totient is φ = 36910080.

The previous prime is 130031017. The next prime is 130031023. The reversal of 130031022 is 220130031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 130030989 and 130031007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130031023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121104 + ... + 122172.

It is an arithmetic number, because the mean of its divisors is an integer number (4718700).

Almost surely, 2^130031022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130031022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150998400).

130031022 is an abundant number, since it is smaller than the sum of its proper divisors (171965778).

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

130031022 is a wasteful number, since it uses less digits than its factorization.

130031022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 130031022 is about 11403.1145745362. The cubic root of 130031022 is about 506.6199938733.

Adding to 130031022 its reverse (220130031), we get a palindrome (350161053).

Subtracting 130031022 from its reverse (220130031), we obtain a palindrome (90099009).

The spelling of 130031022 in words is "one hundred thirty million, thirty-one thousand, twenty-two".