131211220214 has 16 divisors (see below), whose sum is σ = 197598395808. Its totient is φ = 65345172672.

The previous prime is 131211220213. The next prime is 131211220229. The reversal of 131211220214 is 412022112131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131211220213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3757724 + ... + 3792480.

It is an arithmetic number, because the mean of its divisors is an integer number (12349899738).

Almost surely, 2^131211220214 is an apocalyptic number.

131211220214 is a deficient number, since it is larger than the sum of its proper divisors (66387175594).

131211220214 is a wasteful number, since it uses less digits than its factorization.

131211220214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42199.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 131211220214 its reverse (412022112131), we get a palindrome (543233332345).

The spelling of 131211220214 in words is "one hundred thirty-one billion, two hundred eleven million, two hundred twenty thousand, two hundred fourteen".