134311012231231 has 32 divisors (see below), whose sum is σ = 154303116652800. Its totient is φ = 115621788142080.

The previous prime is 134311012231229. The next prime is 134311012231271. The reversal of 134311012231231 is 132132210113431.

It is a happy number.

It is not a de Polignac number, because 134311012231231 - 2¹ = 134311012231229 is a prime.

It is a super-2 number, since 2×134311012231231² (a number of 29 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 134311012231231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134311012231271) 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, 4728747276 + ... + 4728775678.

It is an arithmetic number, because the mean of its divisors is an integer number (4821972395400).

Almost surely, 2^{134311012231231} is an apocalyptic number.

134311012231231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134311012231231 is a deficient number, since it is larger than the sum of its proper divisors (19992104421569).

134311012231231 is a wasteful number, since it uses less digits than its factorization.

134311012231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37959.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 134311012231231 its reverse (132132210113431), we get a palindrome (266443222344662).

The spelling of 134311012231231 in words is "one hundred thirty-four trillion, three hundred eleven billion, twelve million, two hundred thirty-one thousand, two hundred thirty-one".