20241440431 has 2 divisors, whose sum is σ = 20241440432. Its totient is φ = 20241440430.

The previous prime is 20241440381. The next prime is 20241440437. The reversal of 20241440431 is 13404414202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20241440431 - 2¹⁷ = 20241309359 is a prime.

It is a super-2 number, since 2×20241440431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20241440396 and 20241440405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20241440437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10120720215 + 10120720216.

It is an arithmetic number, because the mean of its divisors is an integer number (10120720216).

Almost surely, 2^20241440431 is an apocalyptic number.

20241440431 is a deficient number, since it is larger than the sum of its proper divisors (1).

20241440431 is an equidigital number, since it uses as much as digits as its factorization.

20241440431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20241440431 its reverse (13404414202), we get a palindrome (33645854633).

The spelling of 20241440431 in words is "twenty billion, two hundred forty-one million, four hundred forty thousand, four hundred thirty-one".