31011201103 has 8 divisors (see below), whose sum is σ = 31240082016. Its totient is φ = 30783148800.

The previous prime is 31011201041. The next prime is 31011201121. The reversal of 31011201103 is 30110211013.

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 31011201103 - 2¹³ = 31011192911 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 (31011201163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131926 + ... + 281827.

It is an arithmetic number, because the mean of its divisors is an integer number (3905010252).

Almost surely, 2^31011201103 is an apocalyptic number.

31011201103 is a deficient number, since it is larger than the sum of its proper divisors (228880913).

31011201103 is a wasteful number, since it uses less digits than its factorization.

31011201103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414305.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 31011201103 its reverse (30110211013), we get a palindrome (61121412116).

The spelling of 31011201103 in words is "thirty-one billion, eleven million, two hundred one thousand, one hundred three".