1231133002 has 32 divisors (see below), whose sum is σ = 2037312000. Its totient is φ = 553330800.

The previous prime is 1231132961. The next prime is 1231133009. The reversal of 1231133002 is 2003311321.

It is a super-2 number, since 2×1231133002² = 3031376937227064008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1231133009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 782877 + ... + 784447.

It is an arithmetic number, because the mean of its divisors is an integer number (63666000).

Almost surely, 2^1231133002 is an apocalyptic number.

1231133002 is a deficient number, since it is larger than the sum of its proper divisors (806178998).

1231133002 is a wasteful number, since it uses less digits than its factorization.

1231133002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1231133002 is about 35087.5049269679. The cubic root of 1231133002 is about 1071.7701511418.

Adding to 1231133002 its reverse (2003311321), we get a palindrome (3234444323).

The spelling of 1231133002 in words is "one billion, two hundred thirty-one million, one hundred thirty-three thousand, two".