133231312003 has 2 divisors, whose sum is σ = 133231312004. Its totient is φ = 133231312002.

The previous prime is 133231311991. The next prime is 133231312087. The reversal of 133231312003 is 300213132331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133231312003 - 2¹³ = 133231303811 is a prime.

It is not a weakly prime, because it can be changed into another prime (133231312103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66615656001 + 66615656002.

It is an arithmetic number, because the mean of its divisors is an integer number (66615656002).

Almost surely, 2^133231312003 is an apocalyptic number.

133231312003 is a deficient number, since it is larger than the sum of its proper divisors (1).

133231312003 is an equidigital number, since it uses as much as digits as its factorization.

133231312003 is an evil number, because the sum of its binary digits is even.

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

Adding to 133231312003 its reverse (300213132331), we get a palindrome (433444444334).

The spelling of 133231312003 in words is "one hundred thirty-three billion, two hundred thirty-one million, three hundred twelve thousand, three".