130031750 has 32 divisors (see below), whose sum is σ = 245744928. Its totient is φ = 51516000.

The previous prime is 130031749. The next prime is 130031767. The reversal of 130031750 is 57130031.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24320 + ... + 29180.

It is an arithmetic number, because the mean of its divisors is an integer number (7679529).

Almost surely, 2^130031750 is an apocalyptic number.

130031750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130031750 is a deficient number, since it is larger than the sum of its proper divisors (115713178).

130031750 is a wasteful number, since it uses less digits than its factorization.

130031750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4985 (or 4975 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 130031750 is about 11403.1464955950. The cubic root of 130031750 is about 506.6209393365.

Adding to 130031750 its reverse (57130031), we get a palindrome (187161781).

The spelling of 130031750 in words is "one hundred thirty million, thirty-one thousand, seven hundred fifty".