1323131234 has 8 divisors (see below), whose sum is σ = 2089154640. Its totient is φ = 626746356.

The previous prime is 1323131207. The next prime is 1323131237. The reversal of 1323131234 is 4321313231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1323131234³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1323131237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17409584 + ... + 17409659.

It is an arithmetic number, because the mean of its divisors is an integer number (261144330).

Almost surely, 2^1323131234 is an apocalyptic number.

1323131234 is a deficient number, since it is larger than the sum of its proper divisors (766023406).

1323131234 is a wasteful number, since it uses less digits than its factorization.

1323131234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34819264.

The product of its digits is 1296, while the sum is 23.

The square root of 1323131234 is about 36374.8709138603. The cubic root of 1323131234 is about 1097.8280100173.

Adding to 1323131234 its reverse (4321313231), we get a palindrome (5644444465).

The spelling of 1323131234 in words is "one billion, three hundred twenty-three million, one hundred thirty-one thousand, two hundred thirty-four".