31304123041423 has 4 divisors (see below), whose sum is σ = 31304145630808. Its totient is φ = 31304100452040.

The previous prime is 31304123041409. The next prime is 31304123041481. The reversal of 31304123041423 is 32414032140313.

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

It is a cyclic number.

It is not a de Polignac number, because 31304123041423 - 2¹⁷ = 31304122910351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31304123071423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9069936 + ... + 12036277.

It is an arithmetic number, because the mean of its divisors is an integer number (7826036407702).

Almost surely, 2^{31304123041423} is an apocalyptic number.

31304123041423 is a deficient number, since it is larger than the sum of its proper divisors (22589385).

31304123041423 is a wasteful number, since it uses less digits than its factorization.

31304123041423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22589384.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 31304123041423 its reverse (32414032140313), we get a palindrome (63718155181736).

The spelling of 31304123041423 in words is "thirty-one trillion, three hundred four billion, one hundred twenty-three million, forty-one thousand, four hundred twenty-three".