31301112102003 has 72 divisors (see below), whose sum is σ = 49359762616320. Its totient is φ = 19091440035360.

The previous prime is 31301112101981. The next prime is 31301112102023. The reversal of 31301112102003 is 30020121110313.

It is not a de Polignac number, because 31301112102003 - 2¹⁴ = 31301112085619 is a prime.

It is a super-2 number, since 2×31301112102003² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31301112102023) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47920000 + ... + 48568802.

It is an arithmetic number, because the mean of its divisors is an integer number (685552258560).

Almost surely, 2^{31301112102003} is an apocalyptic number.

31301112102003 is a deficient number, since it is larger than the sum of its proper divisors (18058650514317).

31301112102003 is a wasteful number, since it uses less digits than its factorization.

31301112102003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649357 (or 649335 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 31301112102003 its reverse (30020121110313), we get a palindrome (61321233212316).

The spelling of 31301112102003 in words is "thirty-one trillion, three hundred one billion, one hundred twelve million, one hundred two thousand, three".