1311133002 has 32 divisors (see below), whose sum is σ = 2662865280. Its totient is φ = 430295040.

The previous prime is 1311133001. The next prime is 1311133013. The reversal of 1311133002 is 2003311131.

It is not an unprimeable number, because it can be changed into a prime (1311133001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394098 + ... + 397410.

It is an arithmetic number, because the mean of its divisors is an integer number (83214540).

Almost surely, 2^1311133002 is an apocalyptic number.

1311133002 is an abundant number, since it is smaller than the sum of its proper divisors (1351732278).

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

1311133002 is a wasteful number, since it uses less digits than its factorization.

1311133002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1311133002 is about 36209.5705856891. The cubic root of 1311133002 is about 1094.4995390311.

Adding to 1311133002 its reverse (2003311131), we get a palindrome (3314444133).

The spelling of 1311133002 in words is "one billion, three hundred eleven million, one hundred thirty-three thousand, two".