31113023243423 has 8 divisors (see below), whose sum is σ = 33941543847120. Its totient is φ = 28284513297280.

The previous prime is 31113023243381. The next prime is 31113023243429. The reversal of 31113023243423 is 32434232031113.

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-31113023243423 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 31113023243423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113023243429) 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, 4211111 + ... + 8942007.

It is an arithmetic number, because the mean of its divisors is an integer number (4242692980890).

Almost surely, 2^{31113023243423} is an apocalyptic number.

31113023243423 is a deficient number, since it is larger than the sum of its proper divisors (2828520603697).

31113023243423 is a wasteful number, since it uses less digits than its factorization.

31113023243423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5328777.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 31113023243423 its reverse (32434232031113), we get a palindrome (63547255274536).

The spelling of 31113023243423 in words is "thirty-one trillion, one hundred thirteen billion, twenty-three million, two hundred forty-three thousand, four hundred twenty-three".