131122320202 has 8 divisors (see below), whose sum is σ = 198184881312. Its totient is φ = 65060693100.

The previous prime is 131122320181. The next prime is 131122320223. The reversal of 131122320202 is 202023221131.

It is an interprime number because it is at equal distance from previous prime (131122320181) and next prime (131122320223).

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

It is a self number, because there is not a number n which added to its sum of digits gives 131122320202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250233174 + ... + 250233697.

It is an arithmetic number, because the mean of its divisors is an integer number (24773110164).

Almost surely, 2^131122320202 is an apocalyptic number.

131122320202 is a deficient number, since it is larger than the sum of its proper divisors (67062561110).

131122320202 is a wasteful number, since it uses less digits than its factorization.

131122320202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500467004.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 131122320202 its reverse (202023221131), we get a palindrome (333145541333).

The spelling of 131122320202 in words is "one hundred thirty-one billion, one hundred twenty-two million, three hundred twenty thousand, two hundred two".