131321302130 has 16 divisors (see below), whose sum is σ = 236496746520. Its totient is φ = 52502209152.

The previous prime is 131321302087. The next prime is 131321302183. The reversal of 131321302130 is 31203123131.

It can be written as a sum of positive squares in 4 ways, for example, as 27310537081 + 104010765049 = 165259^2 + 322507^2 .

It is a Curzon 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, 3267995 + ... + 3307934.

Almost surely, 2^131321302130 is an apocalyptic number.

131321302130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131321302130 is a deficient number, since it is larger than the sum of its proper divisors (105175444390).

131321302130 is a wasteful number, since it uses less digits than its factorization.

131321302130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6577933.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131321302130 its reverse (31203123131), we get a palindrome (162524425261).

The spelling of 131321302130 in words is "one hundred thirty-one billion, three hundred twenty-one million, three hundred two thousand, one hundred thirty".