1312232322 has 16 divisors (see below), whose sum is σ = 2631988800. Its totient is φ = 436156752.

The previous prime is 1312232297. The next prime is 1312232357. The reversal of 1312232322 is 2232322131.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311238 + ... + 315425.

It is an arithmetic number, because the mean of its divisors is an integer number (164499300).

Almost surely, 2^1312232322 is an apocalyptic number.

1312232322 is an abundant number, since it is smaller than the sum of its proper divisors (1319756478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312232322 is a wasteful number, since it uses less digits than its factorization.

1312232322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627017.

The product of its digits is 864, while the sum is 21.

The square root of 1312232322 is about 36224.7473697195. The cubic root of 1312232322 is about 1094.8053481067.

Adding to 1312232322 its reverse (2232322131), we get a palindrome (3544554453).

The spelling of 1312232322 in words is "one billion, three hundred twelve million, two hundred thirty-two thousand, three hundred twenty-two".