304545211231 has 2 divisors, whose sum is σ = 304545211232. Its totient is φ = 304545211230.

The previous prime is 304545211199. The next prime is 304545211249. The reversal of 304545211231 is 132112545403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 304545211231 - 2⁵ = 304545211199 is a prime.

It is a super-2 number, since 2×304545211231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 304545211193 and 304545211202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304545211291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152272605615 + 152272605616.

It is an arithmetic number, because the mean of its divisors is an integer number (152272605616).

Almost surely, 2^304545211231 is an apocalyptic number.

304545211231 is a deficient number, since it is larger than the sum of its proper divisors (1).

304545211231 is an equidigital number, since it uses as much as digits as its factorization.

304545211231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 304545211231 its reverse (132112545403), we get a palindrome (436657756634).

The spelling of 304545211231 in words is "three hundred four billion, five hundred forty-five million, two hundred eleven thousand, two hundred thirty-one".