131321461245 has 32 divisors (see below), whose sum is σ = 238186300800. Its totient is φ = 61247902464.

The previous prime is 131321461237. The next prime is 131321461267. The reversal of 131321461245 is 542164123131.

It is not a de Polignac number, because 131321461245 - 2³ = 131321461237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17718490 + ... + 17725899.

It is an arithmetic number, because the mean of its divisors is an integer number (7443321900).

Almost surely, 2^131321461245 is an apocalyptic number.

131321461245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131321461245 is a deficient number, since it is larger than the sum of its proper divisors (106864839555).

131321461245 is a wasteful number, since it uses less digits than its factorization.

131321461245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35444429.

The product of its digits is 17280, while the sum is 33.

Adding to 131321461245 its reverse (542164123131), we get a palindrome (673485584376).

The spelling of 131321461245 in words is "one hundred thirty-one billion, three hundred twenty-one million, four hundred sixty-one thousand, two hundred forty-five".