131314212 has 36 divisors (see below), whose sum is σ = 337380316. Its totient is φ = 43053120.

The previous prime is 131314207. The next prime is 131314223. The reversal of 131314212 is 212413131.

It can be written as a sum of positive squares in 2 ways, for example, as 39614436 + 91699776 = 6294^2 + 9576^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27703 + ... + 32094.

Almost surely, 2^131314212 is an apocalyptic number.

131314212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131314212 is an abundant number, since it is smaller than the sum of its proper divisors (206066104).

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

131314212 is a wasteful number, since it uses less digits than its factorization.

131314212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59868 (or 59863 counting only the distinct ones).

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

The square root of 131314212 is about 11459.2413361444. The cubic root of 131314212 is about 508.2810408868.

Adding to 131314212 its reverse (212413131), we get a palindrome (343727343).

The spelling of 131314212 in words is "one hundred thirty-one million, three hundred fourteen thousand, two hundred twelve".