134315521231 has 12 divisors (see below), whose sum is σ = 136241183520. Its totient is φ = 132416720640.

The previous prime is 134315521217. The next prime is 134315521247. The reversal of 134315521231 is 132125513431.

It is not a de Polignac number, because 134315521231 - 2¹⁹ = 134314996943 is a prime.

It is a super-3 number, since 3×134315521231³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134315521193 and 134315521202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134315521211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16617111 + ... + 16625191.

It is an arithmetic number, because the mean of its divisors is an integer number (11353431960).

Almost surely, 2^134315521231 is an apocalyptic number.

134315521231 is a deficient number, since it is larger than the sum of its proper divisors (1925662289).

134315521231 is an frugal number, since it uses more digits than its factorization.

134315521231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11346 (or 11273 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The spelling of 134315521231 in words is "one hundred thirty-four billion, three hundred fifteen million, five hundred twenty-one thousand, two hundred thirty-one".