1231312033003 has 8 divisors (see below), whose sum is σ = 1327290040496. Its totient is φ = 1135514268000.

The previous prime is 1231312032959. The next prime is 1231312033051. The reversal of 1231312033003 is 3003302131321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231312033003 is a prime.

It is a super-2 number, since 2×1231312033003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231312033603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45046428 + ... + 45073753.

It is an arithmetic number, because the mean of its divisors is an integer number (165911255062).

Almost surely, 2^{1231312033003} is an apocalyptic number.

1231312033003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1231312033003 is a deficient number, since it is larger than the sum of its proper divisors (95978007493).

1231312033003 is a wasteful number, since it uses less digits than its factorization.

1231312033003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90121245.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1231312033003 its reverse (3003302131321), we get a palindrome (4234614164324).

The spelling of 1231312033003 in words is "one trillion, two hundred thirty-one billion, three hundred twelve million, thirty-three thousand, three".