31104134023 has 4 divisors (see below), whose sum is σ = 31412095848. Its totient is φ = 30796172200.

The previous prime is 31104134003. The next prime is 31104134029. The reversal of 31104134023 is 32043140113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31104134023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31104133985 and 31104134003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31104134029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153980761 + ... + 153980962.

It is an arithmetic number, because the mean of its divisors is an integer number (7853023962).

Almost surely, 2^31104134023 is an apocalyptic number.

31104134023 is a deficient number, since it is larger than the sum of its proper divisors (307961825).

31104134023 is a wasteful number, since it uses less digits than its factorization.

31104134023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307961824.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31104134023 its reverse (32043140113), we get a palindrome (63147274136).

The spelling of 31104134023 in words is "thirty-one billion, one hundred four million, one hundred thirty-four thousand, twenty-three".