131210022 has 8 divisors (see below), whose sum is σ = 262420056. Its totient is φ = 43736672.

The previous prime is 131210021. The next prime is 131210083. The reversal of 131210022 is 220012131.

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

131210022 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131210021) 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, 10934163 + ... + 10934174.

It is an arithmetic number, because the mean of its divisors is an integer number (32802507).

Almost surely, 2^131210022 is an apocalyptic number.

131210022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131210022 is a wasteful number, since it uses less digits than its factorization.

131210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21868342.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 131210022 is about 11454.6943215435. The cubic root of 131210022 is about 508.1465750807.

Adding to 131210022 its reverse (220012131), we get a palindrome (351222153).

The spelling of 131210022 in words is "one hundred thirty-one million, two hundred ten thousand, twenty-two".