34143381 has 12 divisors (see below), whose sum is σ = 49370880. Its totient is φ = 22737960.

The previous prime is 34143377. The next prime is 34143397. The reversal of 34143381 is 18334143.

It is not a de Polignac number, because 34143381 - 2² = 34143377 is a prime.

It is a super-2 number, since 2×34143381² = 2331540932222322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34143281) 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, 11950 + ... + 14528.

It is an arithmetic number, because the mean of its divisors is an integer number (4114240).

Almost surely, 2^34143381 is an apocalyptic number.

It is an amenable number.

34143381 is a deficient number, since it is larger than the sum of its proper divisors (15227499).

34143381 is a wasteful number, since it uses less digits than its factorization.

34143381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056 (or 4053 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 34143381 is about 5843.2337793383. The cubic root of 34143381 is about 324.4159324425.

The spelling of 34143381 in words is "thirty-four million, one hundred forty-three thousand, three hundred eighty-one".