134223115231 has 16 divisors (see below), whose sum is σ = 138571721728. Its totient is φ = 129914215200.

The previous prime is 134223115211. The next prime is 134223115249. The reversal of 134223115231 is 132511322431.

It is a cyclic number.

It is not a de Polignac number, because 134223115231 - 2⁵ = 134223115199 is a prime.

It is a super-2 number, since 2×134223115231² (a number of 23 digits) contains 22 as substring.

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 134223115231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134223115211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5658526 + ... + 5682196.

It is an arithmetic number, because the mean of its divisors is an integer number (8660732608).

Almost surely, 2^134223115231 is an apocalyptic number.

134223115231 is a deficient number, since it is larger than the sum of its proper divisors (4348606497).

134223115231 is a wasteful number, since it uses less digits than its factorization.

134223115231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24502.

The product of its digits is 4320, while the sum is 28.

Adding to 134223115231 its reverse (132511322431), we get a palindrome (266734437662).

The spelling of 134223115231 in words is "one hundred thirty-four billion, two hundred twenty-three million, one hundred fifteen thousand, two hundred thirty-one".