153216431 has 2 divisors, whose sum is σ = 153216432. Its totient is φ = 153216430.

The previous prime is 153216419. The next prime is 153216449. The reversal of 153216431 is 134612351.

It is a weak prime.

It is an emirp because it is prime and its reverse (134612351) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153216431 is a prime.

It is a super-2 number, since 2×153216431² = 46950549456755522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 153216431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153216031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76608215 + 76608216.

It is an arithmetic number, because the mean of its divisors is an integer number (76608216).

Almost surely, 2^153216431 is an apocalyptic number.

153216431 is a deficient number, since it is larger than the sum of its proper divisors (1).

153216431 is an equidigital number, since it uses as much as digits as its factorization.

153216431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 153216431 is about 12378.0624897437. The cubic root of 153216431 is about 535.1002007564.

Adding to 153216431 its reverse (134612351), we get a palindrome (287828782).

The spelling of 153216431 in words is "one hundred fifty-three million, two hundred sixteen thousand, four hundred thirty-one".