131243113023 has 64 divisors (see below), whose sum is σ = 212527825920. Its totient is φ = 71095449600.

The previous prime is 131243112983. The next prime is 131243113049. The reversal of 131243113023 is 320311342131.

It is not a de Polignac number, because 131243113023 - 2²⁶ = 131176004159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131243112984 and 131243113002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131243113123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 926286 + ... + 1058532.

It is an arithmetic number, because the mean of its divisors is an integer number (3320747280).

Almost surely, 2^131243113023 is an apocalyptic number.

131243113023 is a deficient number, since it is larger than the sum of its proper divisors (81284712897).

131243113023 is a wasteful number, since it uses less digits than its factorization.

131243113023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132368.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 131243113023 its reverse (320311342131), we get a palindrome (451554455154).

The spelling of 131243113023 in words is "one hundred thirty-one billion, two hundred forty-three million, one hundred thirteen thousand, twenty-three".