31420004113 has 8 divisors (see below), whose sum is σ = 33094049120. Its totient is φ = 29747995200.

The previous prime is 31420004107. The next prime is 31420004131. The reversal of 31420004113 is 31140002413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31420004113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31420004183) 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, 477288 + ... + 539113.

It is an arithmetic number, because the mean of its divisors is an integer number (4136756140).

Almost surely, 2^31420004113 is an apocalyptic number.

It is an amenable number.

31420004113 is a deficient number, since it is larger than the sum of its proper divisors (1674045007).

31420004113 is a wasteful number, since it uses less digits than its factorization.

31420004113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018047.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31420004113 its reverse (31140002413), we get a palindrome (62560006526).

The spelling of 31420004113 in words is "thirty-one billion, four hundred twenty million, four thousand, one hundred thirteen".