31013230123 has 8 divisors (see below), whose sum is σ = 31352060960. Its totient is φ = 30675386880.

The previous prime is 31013230117. The next prime is 31013230217. The reversal of 31013230123 is 32103231013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31013230123 - 2¹³ = 31013221931 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 31013230123.

It is not an unprimeable number, because it can be changed into a prime (31013230103) 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, 183663 + ... + 309448.

It is an arithmetic number, because the mean of its divisors is an integer number (3919007620).

Almost surely, 2^31013230123 is an apocalyptic number.

31013230123 is a deficient number, since it is larger than the sum of its proper divisors (338830837).

31013230123 is a wasteful number, since it uses less digits than its factorization.

31013230123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493797.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31013230123 its reverse (32103231013), we get a palindrome (63116461136).

The spelling of 31013230123 in words is "thirty-one billion, thirteen million, two hundred thirty thousand, one hundred twenty-three".