131211193223203 has 2 divisors, whose sum is σ = 131211193223204. Its totient is φ = 131211193223202.

The previous prime is 131211193223107. The next prime is 131211193223273. The reversal of 131211193223203 is 302322391112131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131211193223203 - 2⁴⁵ = 96026821134371 is a prime.

It is not a weakly prime, because it can be changed into another prime (131211193223273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65605596611601 + 65605596611602.

It is an arithmetic number, because the mean of its divisors is an integer number (65605596611602).

Almost surely, 2^{131211193223203} is an apocalyptic number.

131211193223203 is a deficient number, since it is larger than the sum of its proper divisors (1).

131211193223203 is an equidigital number, since it uses as much as digits as its factorization.

131211193223203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 131211193223203 in words is "one hundred thirty-one trillion, two hundred eleven billion, one hundred ninety-three million, two hundred twenty-three thousand, two hundred three".