131312353245 has 32 divisors (see below), whose sum is σ = 211157506560. Its totient is φ = 69681487680.

The previous prime is 131312353219. The next prime is 131312353247. The reversal of 131312353245 is 542353213131.

It is not a de Polignac number, because 131312353245 - 2¹⁹ = 131311828957 is a prime.

It is a super-2 number, since 2×131312353245² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131312353247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2604486 + ... + 2654424.

It is an arithmetic number, because the mean of its divisors is an integer number (6598672080).

Almost surely, 2^131312353245 is an apocalyptic number.

131312353245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131312353245 is a deficient number, since it is larger than the sum of its proper divisors (79845153315).

131312353245 is a wasteful number, since it uses less digits than its factorization.

131312353245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50825.

The product of its digits is 32400, while the sum is 33.

Adding to 131312353245 its reverse (542353213131), we get a palindrome (673665566376).

The spelling of 131312353245 in words is "one hundred thirty-one billion, three hundred twelve million, three hundred fifty-three thousand, two hundred forty-five".