1324303381 has 2 divisors, whose sum is σ = 1324303382. Its totient is φ = 1324303380.

The previous prime is 1324303367. The next prime is 1324303399. The reversal of 1324303381 is 1833034231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1270280881 + 54022500 = 35641^2 + 7350^2 .

It is a cyclic number.

It is not a de Polignac number, because 1324303381 - 2¹⁷ = 1324172309 is a prime.

It is a super-2 number, since 2×1324303381² = 3507558889856062322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1324303301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662151690 + 662151691.

It is an arithmetic number, because the mean of its divisors is an integer number (662151691).

Almost surely, 2^1324303381 is an apocalyptic number.

It is an amenable number.

1324303381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324303381 is an equidigital number, since it uses as much as digits as its factorization.

1324303381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1324303381 is about 36390.9793905028. The cubic root of 1324303381 is about 1098.1520988077.

The spelling of 1324303381 in words is "one billion, three hundred twenty-four million, three hundred three thousand, three hundred eighty-one".