131211211133023 has 16 divisors (see below), whose sum is σ = 150304624777216. Its totient is φ = 112205045335680.

The previous prime is 131211211132901. The next prime is 131211211133059. The reversal of 131211211133023 is 320331112112131.

It is a cyclic number.

It is not a de Polignac number, because 131211211133023 - 2²⁹ = 131210674262111 is a prime.

It is a super-2 number, since 2×131211211133023² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131211211133923) 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, 187788490 + ... + 188485912.

It is an arithmetic number, because the mean of its divisors is an integer number (9394039048576).

Almost surely, 2^{131211211133023} is an apocalyptic number.

131211211133023 is a deficient number, since it is larger than the sum of its proper divisors (19093413644193).

131211211133023 is an equidigital number, since it uses as much as digits as its factorization.

131211211133023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759934.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 131211211133023 its reverse (320331112112131), we get a palindrome (451542323245154).

The spelling of 131211211133023 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred eleven million, one hundred thirty-three thousand, twenty-three".