31423204113 has 8 divisors (see below), whose sum is σ = 47882977728. Its totient is φ = 17956116624.

The previous prime is 31423204103. The next prime is 31423204177. The reversal of 31423204113 is 31140232413.

It is a happy number.

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

It is not a de Polignac number, because 31423204113 - 2⁵ = 31423204081 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31423204103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748171506 + ... + 748171547.

It is an arithmetic number, because the mean of its divisors is an integer number (5985372216).

Almost surely, 2^31423204113 is an apocalyptic number.

It is an amenable number.

31423204113 is a deficient number, since it is larger than the sum of its proper divisors (16459773615).

31423204113 is a wasteful number, since it uses less digits than its factorization.

31423204113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496343063.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31423204113 its reverse (31140232413), we get a palindrome (62563436526).

The spelling of 31423204113 in words is "thirty-one billion, four hundred twenty-three million, two hundred four thousand, one hundred thirteen".