31673003 has 2 divisors, whose sum is σ = 31673004. Its totient is φ = 31673002.

The previous prime is 31672987. The next prime is 31673051. The reversal of 31673003 is 30037613.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31673003 - 2⁴ = 31672987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31673003.

It is not a weakly prime, because it can be changed into another prime (31673063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15836501 + 15836502.

It is an arithmetic number, because the mean of its divisors is an integer number (15836502).

Almost surely, 2^31673003 is an apocalyptic number.

31673003 is a deficient number, since it is larger than the sum of its proper divisors (1).

31673003 is an equidigital number, since it uses as much as digits as its factorization.

31673003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 31673003 is about 5627.8773085418. The cubic root of 31673003 is about 316.3950987844.

The spelling of 31673003 in words is "thirty-one million, six hundred seventy-three thousand, three".