131321030 has 16 divisors (see below), whose sum is σ = 246655584. Its totient is φ = 50244480.

The previous prime is 131321017. The next prime is 131321083. The reversal of 131321030 is 30123131.

It is a junction number, because it is equal to n+sod(n) for n = 131320996 and 131321014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285251 + ... + 285710.

It is an arithmetic number, because the mean of its divisors is an integer number (15415974).

Almost surely, 2^131321030 is an apocalyptic number.

131321030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131321030 is a deficient number, since it is larger than the sum of its proper divisors (115334554).

131321030 is a wasteful number, since it uses less digits than its factorization.

131321030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570991.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 131321030 is about 11459.5388214361. The cubic root of 131321030 is about 508.2898375994.

Adding to 131321030 its reverse (30123131), we get a palindrome (161444161).

The spelling of 131321030 in words is "one hundred thirty-one million, three hundred twenty-one thousand, thirty".