1231323002 has 32 divisors (see below), whose sum is σ = 2286410112. Its totient is φ = 484288704.

The previous prime is 1231322999. The next prime is 1231323019. The reversal of 1231323002 is 2003231321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11933 + ... + 51039.

It is an arithmetic number, because the mean of its divisors is an integer number (71450316).

Almost surely, 2^1231323002 is an apocalyptic number.

1231323002 is a deficient number, since it is larger than the sum of its proper divisors (1055087110).

1231323002 is a wasteful number, since it uses less digits than its factorization.

1231323002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39302.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1231323002 is about 35090.2123390555. The cubic root of 1231323002 is about 1071.8252835154.

Adding to 1231323002 its reverse (2003231321), we get a palindrome (3234554323).

The spelling of 1231323002 in words is "one billion, two hundred thirty-one million, three hundred twenty-three thousand, two".