31121132222003 has 8 divisors (see below), whose sum is σ = 31515190809600. Its totient is φ = 30727076639688.

The previous prime is 31121132221997. The next prime is 31121132222009. The reversal of 31121132222003 is 30022223112113.

It is an interprime number because it is at equal distance from previous prime (31121132221997) and next prime (31121132222009).

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 31121132222003 - 2¹² = 31121132217907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31121132222003.

It is not an unprimeable number, because it can be changed into a prime (31121132222009) 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, 26150168 + ... + 27314346.

It is an arithmetic number, because the mean of its divisors is an integer number (3939398851200).

Almost surely, 2^{31121132222003} is an apocalyptic number.

31121132222003 is a deficient number, since it is larger than the sum of its proper divisors (394058587597).

31121132222003 is a wasteful number, since it uses less digits than its factorization.

31121132222003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502641.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31121132222003 its reverse (30022223112113), we get a palindrome (61143355334116).

The spelling of 31121132222003 in words is "thirty-one trillion, one hundred twenty-one billion, one hundred thirty-two million, two hundred twenty-two thousand, three".