131212983 has 16 divisors (see below), whose sum is σ = 192254976. Its totient is φ = 78939840.

The previous prime is 131212951. The next prime is 131213009. The reversal of 131212983 is 389212131.

It is not a de Polignac number, because 131212983 - 2⁵ = 131212951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131212983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131212903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9991 + ... + 19032.

It is an arithmetic number, because the mean of its divisors is an integer number (12015936).

Almost surely, 2^131212983 is an apocalyptic number.

131212983 is a deficient number, since it is larger than the sum of its proper divisors (61041993).

131212983 is a wasteful number, since it uses less digits than its factorization.

131212983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29174.

The product of its digits is 2592, while the sum is 30.

The square root of 131212983 is about 11454.8235691345. The cubic root of 131212983 is about 508.1503974784.

The spelling of 131212983 in words is "one hundred thirty-one million, two hundred twelve thousand, nine hundred eighty-three".