131211322023 has 16 divisors (see below), whose sum is σ = 176070003200. Its totient is φ = 86914640736.

The previous prime is 131211322009. The next prime is 131211322031. The reversal of 131211322023 is 320223112131.

It is not a de Polignac number, because 131211322023 - 2⁸ = 131211321767 is a prime.

It is a super-2 number, since 2×131211322023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131211322043) 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, 282861 + ... + 585177.

It is an arithmetic number, because the mean of its divisors is an integer number (11004375200).

Almost surely, 2^131211322023 is an apocalyptic number.

131211322023 is a deficient number, since it is larger than the sum of its proper divisors (44858681177).

131211322023 is a wasteful number, since it uses less digits than its factorization.

131211322023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303246.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131211322023 its reverse (320223112131), we get a palindrome (451434434154).

The spelling of 131211322023 in words is "one hundred thirty-one billion, two hundred eleven million, three hundred twenty-two thousand, twenty-three".