31030001311103 has 16 divisors (see below), whose sum is σ = 32055848223840. Its totient is φ = 30020654237184.

The previous prime is 31030001311087. The next prime is 31030001311171. The reversal of 31030001311103 is 30111310003013.

It is a cyclic number.

It is not a de Polignac number, because 31030001311103 - 2⁴ = 31030001311087 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 (31030001311703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16148900 + ... + 17967942.

It is an arithmetic number, because the mean of its divisors is an integer number (2003490513990).

Almost surely, 2^{31030001311103} is an apocalyptic number.

31030001311103 is a deficient number, since it is larger than the sum of its proper divisors (1025846912737).

31030001311103 is a wasteful number, since it uses less digits than its factorization.

31030001311103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823578.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 31030001311103 its reverse (30111310003013), we get a palindrome (61141311314116).

The spelling of 31030001311103 in words is "thirty-one trillion, thirty billion, one million, three hundred eleven thousand, one hundred three".