31401034112103 has 32 divisors (see below), whose sum is σ = 43468724597760. Its totient is φ = 20147916771840.

The previous prime is 31401034112093. The next prime is 31401034112171. The reversal of 31401034112103 is 30121143010413.

It is a happy number.

It is not a de Polignac number, because 31401034112103 - 2⁴ = 31401034112087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31401034112003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10172851 + ... + 12895307.

It is an arithmetic number, because the mean of its divisors is an integer number (1358397643680).

Almost surely, 2^{31401034112103} is an apocalyptic number.

31401034112103 is a deficient number, since it is larger than the sum of its proper divisors (12067690485657).

31401034112103 is a wasteful number, since it uses less digits than its factorization.

31401034112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723767.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31401034112103 its reverse (30121143010413), we get a palindrome (61522177122516).

The spelling of 31401034112103 in words is "thirty-one trillion, four hundred one billion, thirty-four million, one hundred twelve thousand, one hundred three".