131211212012303 has 16 divisors (see below), whose sum is σ = 138966416428320. Its totient is φ = 123460111948800.

The previous prime is 131211212012197. The next prime is 131211212012341. The reversal of 131211212012303 is 303210212112131.

It is a happy number.

It is not a de Polignac number, because 131211212012303 - 2¹⁰ = 131211212011279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131211212012603) 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, 1024855433 + ... + 1024983453.

It is an arithmetic number, because the mean of its divisors is an integer number (8685401026770).

Almost surely, 2^{131211212012303} is an apocalyptic number.

131211212012303 is a deficient number, since it is larger than the sum of its proper divisors (7755204416017).

131211212012303 is a wasteful number, since it uses less digits than its factorization.

131211212012303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143578.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 131211212012303 its reverse (303210212112131), we get a palindrome (434421424124434).

The spelling of 131211212012303 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred twelve million, twelve thousand, three hundred three".