1235022313 has 12 divisors (see below), whose sum is σ = 1449378900. Its totient is φ = 1049217792.

The previous prime is 1235022289. The next prime is 1235022389. The reversal of 1235022313 is 3132205321.

It can be written as a sum of positive squares in 2 ways, for example, as 420947289 + 814075024 = 20517^2 + 28532^2 .

It is not a de Polignac number, because 1235022313 - 2²⁹ = 698151401 is a prime.

It is a super-2 number, since 2×1235022313² = 3050560227215739938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1235002313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105988 + ... + 117061.

It is an arithmetic number, because the mean of its divisors is an integer number (120781575).

Almost surely, 2^1235022313 is an apocalyptic number.

It is an amenable number.

1235022313 is a deficient number, since it is larger than the sum of its proper divisors (214356587).

1235022313 is a wasteful number, since it uses less digits than its factorization.

1235022313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223176 (or 223169 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1235022313 is about 35142.8842441823. The cubic root of 1235022313 is about 1072.8975856707.

Adding to 1235022313 its reverse (3132205321), we get a palindrome (4367227634).

The spelling of 1235022313 in words is "one billion, two hundred thirty-five million, twenty-two thousand, three hundred thirteen".