131022299 has 4 divisors (see below), whose sum is σ = 131125080. Its totient is φ = 130919520.

The previous prime is 131022293. The next prime is 131022313. The reversal of 131022299 is 992220131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131022299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131022293) 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, 49454 + ... + 52035.

It is an arithmetic number, because the mean of its divisors is an integer number (32781270).

Almost surely, 2^131022299 is an apocalyptic number.

131022299 is a deficient number, since it is larger than the sum of its proper divisors (102781).

131022299 is a wasteful number, since it uses less digits than its factorization.

131022299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102780.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 131022299 is about 11446.4972371464. The cubic root of 131022299 is about 507.9041232559.

The spelling of 131022299 in words is "one hundred thirty-one million, twenty-two thousand, two hundred ninety-nine".