31672003 has 8 divisors (see below), whose sum is σ = 36583920. Its totient is φ = 27098880.

The previous prime is 31671977. The next prime is 31672007. The reversal of 31672003 is 30027613.

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

It is a cyclic number.

It is not a de Polignac number, because 31672003 - 2²¹ = 29574851 is a prime.

It is a super-3 number, since 3×31672003³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31672007) 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 7 ways as a sum of consecutive naturals, for example, 84498 + ... + 84871.

It is an arithmetic number, because the mean of its divisors is an integer number (4572990).

Almost surely, 2^31672003 is an apocalyptic number.

31672003 is a deficient number, since it is larger than the sum of its proper divisors (4911917).

31672003 is a wasteful number, since it uses less digits than its factorization.

31672003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169397.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 31672003 is about 5627.7884643970. The cubic root of 31672003 is about 316.3917689409.

Adding to 31672003 its reverse (30027613), we get a palindrome (61699616).

The spelling of 31672003 in words is "thirty-one million, six hundred seventy-two thousand, three".