1231123000310 has 48 divisors (see below), whose sum is σ = 2689900003296. Its totient is φ = 403747166592.

The previous prime is 1231123000297. The next prime is 1231123000319. The reversal of 1231123000310 is 130003211321.

It is a super-2 number, since 2×1231123000310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231123000319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54608207 + ... + 54630746.

It is an arithmetic number, because the mean of its divisors is an integer number (56039583402).

Almost surely, 2^{1231123000310} is an apocalyptic number.

1231123000310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231123000310 is an abundant number, since it is smaller than the sum of its proper divisors (1458777002986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231123000310 is a wasteful number, since it uses less digits than its factorization.

1231123000310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109238997 (or 109238990 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1231123000310 its reverse (130003211321), we get a palindrome (1361126211631).

The spelling of 1231123000310 in words is "one trillion, two hundred thirty-one billion, one hundred twenty-three million, three hundred ten", and thus it is an aban number.