131000320203423 has 64 divisors (see below), whose sum is σ = 212726361784320. Its totient is φ = 70765825046400.

The previous prime is 131000320203413. The next prime is 131000320203437. The reversal of 131000320203423 is 324302023000131.

It is not a de Polignac number, because 131000320203423 - 2⁶ = 131000320203359 is a prime.

It is a super-2 number, since 2×131000320203423² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131000320203393 and 131000320203402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131000320203413) 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, 73579311 + ... + 75338672.

It is an arithmetic number, because the mean of its divisors is an integer number (3323849402880).

Almost surely, 2^{131000320203423} is an apocalyptic number.

131000320203423 is a deficient number, since it is larger than the sum of its proper divisors (81726041580897).

131000320203423 is a wasteful number, since it uses less digits than its factorization.

131000320203423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148918100.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 131000320203423 its reverse (324302023000131), we get a palindrome (455302343203554).

The spelling of 131000320203423 in words is "one hundred thirty-one trillion, three hundred twenty million, two hundred three thousand, four hundred twenty-three".