34997131 has 4 divisors (see below), whose sum is σ = 37689232. Its totient is φ = 32305032.

The previous prime is 34997071. The next prime is 34997143. The reversal of 34997131 is 13179943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34997131 - 2²³ = 26608523 is a prime.

It is a super-2 number, since 2×34997131² = 2449598356462322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34997731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1346031 + ... + 1346056.

It is an arithmetic number, because the mean of its divisors is an integer number (9422308).

Almost surely, 2^34997131 is an apocalyptic number.

34997131 is a deficient number, since it is larger than the sum of its proper divisors (2692101).

34997131 is a wasteful number, since it uses less digits than its factorization.

34997131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692100.

The product of its digits is 20412, while the sum is 37.

The square root of 34997131 is about 5915.8373033747. The cubic root of 34997131 is about 327.0976929754.

The spelling of 34997131 in words is "thirty-four million, nine hundred ninety-seven thousand, one hundred thirty-one".