131212314 has 24 divisors (see below), whose sum is σ = 284704992. Its totient is φ = 43674120.

The previous prime is 131212313. The next prime is 131212321. The reversal of 131212314 is 413212131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (131212313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8469 + ... + 18279.

It is an arithmetic number, because the mean of its divisors is an integer number (11862708).

Almost surely, 2^131212314 is an apocalyptic number.

131212314 is an abundant number, since it is smaller than the sum of its proper divisors (153492678).

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

131212314 is a wasteful number, since it uses less digits than its factorization.

131212314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10562 (or 10559 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 131212314 is about 11454.7943674254. The cubic root of 131212314 is about 508.1495338617.

Adding to 131212314 its reverse (413212131), we get a palindrome (544424445).

The spelling of 131212314 in words is "one hundred thirty-one million, two hundred twelve thousand, three hundred fourteen".