134212331 has 16 divisors (see below), whose sum is σ = 158640768. Its totient is φ = 112156800.

The previous prime is 134212303. The next prime is 134212349. The reversal of 134212331 is 133212431.

It is a cyclic number.

It is not a de Polignac number, because 134212331 - 2²⁶ = 67103467 is a prime.

It is a super-2 number, since 2×134212331² = 36025899584907122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134212301) 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, 305 + ... + 16386.

It is an arithmetic number, because the mean of its divisors is an integer number (9915048).

Almost surely, 2^134212331 is an apocalyptic number.

134212331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134212331 is a deficient number, since it is larger than the sum of its proper divisors (24428437).

134212331 is a wasteful number, since it uses less digits than its factorization.

134212331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16762.

The product of its digits is 432, while the sum is 20.

The square root of 134212331 is about 11585.0045748804. The cubic root of 134212331 is about 511.9931372676.

Adding to 134212331 its reverse (133212431), we get a palindrome (267424762).

The spelling of 134212331 in words is "one hundred thirty-four million, two hundred twelve thousand, three hundred thirty-one".