123051317331 has 8 divisors (see below), whose sum is σ = 164515477504. Its totient is φ = 81810684360.

The previous prime is 123051317329. The next prime is 123051317341. The reversal of 123051317331 is 133713150321.

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

It is not a de Polignac number, because 123051317331 - 2¹ = 123051317329 is a prime.

It is a super-2 number, since 2×123051317331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123051317321) 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, 55880515 + ... + 55882716.

It is an arithmetic number, because the mean of its divisors is an integer number (20564434688).

Almost surely, 2^123051317331 is an apocalyptic number.

123051317331 is a deficient number, since it is larger than the sum of its proper divisors (41464160173).

123051317331 is a wasteful number, since it uses less digits than its factorization.

123051317331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111763601.

The product of its (nonzero) digits is 5670, while the sum is 30.

Adding to 123051317331 its reverse (133713150321), we get a palindrome (256764467652).

The spelling of 123051317331 in words is "one hundred twenty-three billion, fifty-one million, three hundred seventeen thousand, three hundred thirty-one".