154603321022231 has 2 divisors, whose sum is σ = 154603321022232. Its totient is φ = 154603321022230.

The previous prime is 154603321022191. The next prime is 154603321022279. The reversal of 154603321022231 is 132220123306451.

It is a weak prime.

It is an emirp because it is prime and its reverse (132220123306451) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154603321022231 is a prime.

It is a super-2 number, since 2×154603321022231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 154603321022191 and 154603321022200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154603321022431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77301660511115 + 77301660511116.

It is an arithmetic number, because the mean of its divisors is an integer number (77301660511116).

Almost surely, 2^{154603321022231} is an apocalyptic number.

154603321022231 is a deficient number, since it is larger than the sum of its proper divisors (1).

154603321022231 is an equidigital number, since it uses as much as digits as its factorization.

154603321022231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 154603321022231 its reverse (132220123306451), we get a palindrome (286823444328682).

The spelling of 154603321022231 in words is "one hundred fifty-four trillion, six hundred three billion, three hundred twenty-one million, twenty-two thousand, two hundred thirty-one".