131211230200 has 48 divisors (see below), whose sum is σ = 305241545880. Its totient is φ = 52454309760.

The previous prime is 131211230173. The next prime is 131211230201. The reversal of 131211230200 is 2032112131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131211230201) 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, 161634 + ... + 537166.

Almost surely, 2^131211230200 is an apocalyptic number.

131211230200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131211230200 is an abundant number, since it is smaller than the sum of its proper divisors (174030315680).

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

131211230200 is a wasteful number, since it uses less digits than its factorization.

131211230200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377296 (or 377287 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131211230200 its reverse (2032112131), we get a palindrome (133243342331).

The spelling of 131211230200 in words is "one hundred thirty-one billion, two hundred eleven million, two hundred thirty thousand, two hundred".