1254320311 has 2 divisors, whose sum is σ = 1254320312. Its totient is φ = 1254320310.

The previous prime is 1254320303. The next prime is 1254320323. The reversal of 1254320311 is 1130234521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1254320311 - 2³ = 1254320303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254320611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627160155 + 627160156.

It is an arithmetic number, because the mean of its divisors is an integer number (627160156).

Almost surely, 2^1254320311 is an apocalyptic number.

1254320311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254320311 is an equidigital number, since it uses as much as digits as its factorization.

1254320311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1254320311 is about 35416.3847816233. The cubic root of 1254320311 is about 1078.4569616884.

Adding to 1254320311 its reverse (1130234521), we get a palindrome (2384554832).

The spelling of 1254320311 in words is "one billion, two hundred fifty-four million, three hundred twenty thousand, three hundred eleven".