131305513822 has 8 divisors (see below), whose sum is σ = 225095166576. Its totient is φ = 56273791632.

The previous prime is 131305513819. The next prime is 131305513853. The reversal of 131305513822 is 228315503131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×131305513822² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4689482623 + ... + 4689482650.

It is an arithmetic number, because the mean of its divisors is an integer number (28136895822).

Almost surely, 2^131305513822 is an apocalyptic number.

131305513822 is a deficient number, since it is larger than the sum of its proper divisors (93789652754).

131305513822 is an equidigital number, since it uses as much as digits as its factorization.

131305513822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9378965282.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 131305513822 in words is "one hundred thirty-one billion, three hundred five million, five hundred thirteen thousand, eight hundred twenty-two".