131097572363 has 4 divisors (see below), whose sum is σ = 131247057360. Its totient is φ = 130948087368.

The previous prime is 131097572329. The next prime is 131097572383. The reversal of 131097572363 is 363275790131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131097572363 - 2⁶ = 131097572299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131097572383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74741183 + ... + 74742936.

It is an arithmetic number, because the mean of its divisors is an integer number (32811764340).

Almost surely, 2^131097572363 is an apocalyptic number.

131097572363 is a deficient number, since it is larger than the sum of its proper divisors (149484997).

131097572363 is an equidigital number, since it uses as much as digits as its factorization.

131097572363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149484996.

The product of its (nonzero) digits is 714420, while the sum is 47.

The spelling of 131097572363 in words is "one hundred thirty-one billion, ninety-seven million, five hundred seventy-two thousand, three hundred sixty-three".