20231505244131 has 8 divisors (see below), whose sum is σ = 26975406684240. Its totient is φ = 13487636983392.

The previous prime is 20231505244103. The next prime is 20231505244183. The reversal of 20231505244131 is 13144250513202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20231505244131 - 2²⁶ = 20231438135267 is a prime.

It is a super-2 number, since 2×20231505244131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20231505244092 and 20231505244101.

It is not an unprimeable number, because it can be changed into a prime (20231505244931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6835380 + ... + 9337313.

It is an arithmetic number, because the mean of its divisors is an integer number (3371925835530).

Almost surely, 2^{20231505244131} is an apocalyptic number.

20231505244131 is a deficient number, since it is larger than the sum of its proper divisors (6743901440109).

20231505244131 is a wasteful number, since it uses less digits than its factorization.

20231505244131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16589685.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 20231505244131 its reverse (13144250513202), we get a palindrome (33375755757333).

The spelling of 20231505244131 in words is "twenty trillion, two hundred thirty-one billion, five hundred five million, two hundred forty-four thousand, one hundred thirty-one".