31420142404123 has 8 divisors (see below), whose sum is σ = 34277957588736. Its totient is φ = 28562566986600.

The previous prime is 31420142404117. The next prime is 31420142404181. The reversal of 31420142404123 is 32140424102413.

It is a happy number.

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-31420142404123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31420142404103) 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, 59667711 + ... + 60191992.

It is an arithmetic number, because the mean of its divisors is an integer number (4284744698592).

Almost surely, 2^{31420142404123} is an apocalyptic number.

31420142404123 is a deficient number, since it is larger than the sum of its proper divisors (2857815184613).

31420142404123 is a wasteful number, since it uses less digits than its factorization.

31420142404123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119883545.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 31420142404123 its reverse (32140424102413), we get a palindrome (63560566506536).

The spelling of 31420142404123 in words is "thirty-one trillion, four hundred twenty billion, one hundred forty-two million, four hundred four thousand, one hundred twenty-three".