31430112415 has 16 divisors (see below), whose sum is σ = 40796326368. Its totient is φ = 23107671936.

The previous prime is 31430112361. The next prime is 31430112419. The reversal of 31430112415 is 51421103413.

It is a cyclic number.

It is not a de Polignac number, because 31430112415 - 2⁹ = 31430111903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31430112415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31430112419) 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, 1050312 + ... + 1079821.

It is an arithmetic number, because the mean of its divisors is an integer number (2549770398).

Almost surely, 2^31430112415 is an apocalyptic number.

31430112415 is a deficient number, since it is larger than the sum of its proper divisors (9366213953).

31430112415 is a wasteful number, since it uses less digits than its factorization.

31430112415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130378.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 31430112415 its reverse (51421103413), we get a palindrome (82851215828).

The spelling of 31430112415 in words is "thirty-one billion, four hundred thirty million, one hundred twelve thousand, four hundred fifteen".