131323130 has 32 divisors (see below), whose sum is σ = 258370560. Its totient is φ = 47842560.

The previous prime is 131323111. The next prime is 131323141. The reversal of 131323130 is 31323131.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131323099 and 131323108.

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, 7190 + ... + 17729.

It is an arithmetic number, because the mean of its divisors is an integer number (8074080).

Almost surely, 2^131323130 is an apocalyptic number.

131323130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131323130 is a deficient number, since it is larger than the sum of its proper divisors (127047430).

131323130 is a wasteful number, since it uses less digits than its factorization.

131323130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24974.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 131323130 is about 11459.6304477937. The cubic root of 131323130 is about 508.2925469978.

Adding to 131323130 its reverse (31323131), we get a palindrome (162646261).

Subtracting from 131323130 its reverse (31323131), we obtain a palindrome (99999999).

The spelling of 131323130 in words is "one hundred thirty-one million, three hundred twenty-three thousand, one hundred thirty".