31103110401 has 16 divisors (see below), whose sum is σ = 45284733120. Its totient is φ = 18832101120.

The previous prime is 31103110399. The next prime is 31103110403. The reversal of 31103110401 is 10401130113.

It is an interprime number because it is at equal distance from previous prime (31103110399) and next prime (31103110403).

It is not a de Polignac number, because 31103110401 - 2¹ = 31103110399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31103110403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422116 + ... + 490293.

It is an arithmetic number, because the mean of its divisors is an integer number (2830295820).

Almost surely, 2^31103110401 is an apocalyptic number.

It is an amenable number.

31103110401 is a deficient number, since it is larger than the sum of its proper divisors (14181622719).

31103110401 is a wasteful number, since it uses less digits than its factorization.

31103110401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913456.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 31103110401 its reverse (10401130113), we get a palindrome (41504240514).

The spelling of 31103110401 in words is "thirty-one billion, one hundred three million, one hundred ten thousand, four hundred one".