31013212003 has 8 divisors (see below), whose sum is σ = 31855117280. Its totient is φ = 30171502080.

The previous prime is 31013211997. The next prime is 31013212051. The reversal of 31013212003 is 30021231013.

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 31013212003 - 2²⁵ = 30979657571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31014212003) 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, 307843 + ... + 395971.

It is an arithmetic number, because the mean of its divisors is an integer number (3981889660).

Almost surely, 2^31013212003 is an apocalyptic number.

31013212003 is a deficient number, since it is larger than the sum of its proper divisors (841905277).

31013212003 is an equidigital number, since it uses as much as digits as its factorization.

31013212003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97677.

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

Adding to 31013212003 its reverse (30021231013), we get a palindrome (61034443016).

The spelling of 31013212003 in words is "thirty-one billion, thirteen million, two hundred twelve thousand, three".