70343311 has 4 divisors (see below), whose sum is σ = 71306992. Its totient is φ = 69379632.

The previous prime is 70343303. The next prime is 70343323. The reversal of 70343311 is 11334307.

It is a happy number.

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 70343311 - 2³ = 70343303 is a prime.

It is a super-3 number, since 3×70343311³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70343411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481731 + ... + 481876.

It is an arithmetic number, because the mean of its divisors is an integer number (17826748).

Almost surely, 2^70343311 is an apocalyptic number.

70343311 is a deficient number, since it is larger than the sum of its proper divisors (963681).

70343311 is an equidigital number, since it uses as much as digits as its factorization.

70343311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963680.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 70343311 is about 8387.0919274800. The cubic root of 70343311 is about 412.8011851186.

Adding to 70343311 its reverse (11334307), we get a palindrome (81677618).

The spelling of 70343311 in words is "seventy million, three hundred forty-three thousand, three hundred eleven".