31013101021103 has 8 divisors (see below), whose sum is σ = 31098117304800. Its totient is φ = 30928111871968.

The previous prime is 31013101021099. The next prime is 31013101021109. The reversal of 31013101021103 is 30112010131013.

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 31013101021103 - 2² = 31013101021099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013101021109) 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, 4493576 + ... + 9067437.

It is an arithmetic number, because the mean of its divisors is an integer number (3887264663100).

Almost surely, 2^{31013101021103} is an apocalyptic number.

31013101021103 is a deficient number, since it is larger than the sum of its proper divisors (85016283697).

31013101021103 is a wasteful number, since it uses less digits than its factorization.

31013101021103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13567281.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 31013101021103 its reverse (30112010131013), we get a palindrome (61125111152116).

The spelling of 31013101021103 in words is "thirty-one trillion, thirteen billion, one hundred one million, twenty-one thousand, one hundred three".