1311234002 has 32 divisors (see below), whose sum is σ = 2261685888. Its totient is φ = 565399296.

The previous prime is 1311233977. The next prime is 1311234017. The reversal of 1311234002 is 2004321131.

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, 218 + ... + 51210.

It is an arithmetic number, because the mean of its divisors is an integer number (70677684).

Almost surely, 2^1311234002 is an apocalyptic number.

1311234002 is a deficient number, since it is larger than the sum of its proper divisors (950451886).

1311234002 is a wasteful number, since it uses less digits than its factorization.

1311234002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51074.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1311234002 is about 36210.9652177348. The cubic root of 1311234002 is about 1094.5276423623.

Adding to 1311234002 its reverse (2004321131), we get a palindrome (3315555133).

The spelling of 1311234002 in words is "one billion, three hundred eleven million, two hundred thirty-four thousand, two".