31413223004123 has 4 divisors (see below), whose sum is σ = 31526628141600. Its totient is φ = 31299817866648.

The previous prime is 31413223003997. The next prime is 31413223004147. The reversal of 31413223004123 is 32140032231413.

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 31413223004123 - 2²⁰ = 31413221955547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31413223009123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56702568323 + ... + 56702568876.

It is an arithmetic number, because the mean of its divisors is an integer number (7881657035400).

Almost surely, 2^{31413223004123} is an apocalyptic number.

31413223004123 is a deficient number, since it is larger than the sum of its proper divisors (113405137477).

31413223004123 is a wasteful number, since it uses less digits than its factorization.

31413223004123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113405137476.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 31413223004123 its reverse (32140032231413), we get a palindrome (63553255235536).

The spelling of 31413223004123 in words is "thirty-one trillion, four hundred thirteen billion, two hundred twenty-three million, four thousand, one hundred twenty-three".