31321102312003 has 32 divisors (see below), whose sum is σ = 38827972850688. Its totient is φ = 24649648358400.

The previous prime is 31321102311997. The next prime is 31321102312013. The reversal of 31321102312003 is 30021320112313.

It is not a de Polignac number, because 31321102312003 - 2¹³ = 31321102303811 is a prime.

It is a super-2 number, since 2×31321102312003² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31321102312013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82690618 + ... + 83068528.

It is an arithmetic number, because the mean of its divisors is an integer number (1213374151584).

Almost surely, 2^{31321102312003} is an apocalyptic number.

31321102312003 is a deficient number, since it is larger than the sum of its proper divisors (7506870538685).

31321102312003 is a wasteful number, since it uses less digits than its factorization.

31321102312003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394963.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31321102312003 its reverse (30021320112313), we get a palindrome (61342422424316).

The spelling of 31321102312003 in words is "thirty-one trillion, three hundred twenty-one billion, one hundred two million, three hundred twelve thousand, three".