1231303110134 has 64 divisors (see below), whose sum is σ = 1928505983040. Its totient is φ = 589171968000.

The previous prime is 1231303110127. The next prime is 1231303110139. The reversal of 1231303110134 is 4310113031321.

It is a super-2 number, since 2×1231303110134² (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 (1231303110139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 714626597 + ... + 714628319.

It is an arithmetic number, because the mean of its divisors is an integer number (30132905985).

Almost surely, 2^{1231303110134} is an apocalyptic number.

1231303110134 is a deficient number, since it is larger than the sum of its proper divisors (697202872906).

1231303110134 is a wasteful number, since it uses less digits than its factorization.

1231303110134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1231303110134 its reverse (4310113031321), we get a palindrome (5541416141455).

The spelling of 1231303110134 in words is "one trillion, two hundred thirty-one billion, three hundred three million, one hundred ten thousand, one hundred thirty-four".