131212296 has 24 divisors (see below), whose sum is σ = 355366830. Its totient is φ = 43737408.

The previous prime is 131212261. The next prime is 131212303. The reversal of 131212296 is 692212131.

It can be written as a sum of positive squares in only one way, i.e., 101727396 + 29484900 = 10086^2 + 5430^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 5 ways as a sum of consecutive naturals, for example, 911125 + ... + 911268.

Almost surely, 2^131212296 is an apocalyptic number.

It is an amenable number.

131212296 is an abundant number, since it is smaller than the sum of its proper divisors (224154534).

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

131212296 is a wasteful number, since it uses less digits than its factorization.

131212296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822405 (or 1822398 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 131212296 is about 11454.7935817281. The cubic root of 131212296 is about 508.1495106253.

The spelling of 131212296 in words is "one hundred thirty-one million, two hundred twelve thousand, two hundred ninety-six".