811013343 has 16 divisors (see below), whose sum is σ = 1242109440. Its totient is φ = 461081376.

The previous prime is 811013321. The next prime is 811013353. The reversal of 811013343 is 343310118.

It is not a de Polignac number, because 811013343 - 2⁵ = 811013311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811013303) 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, 93883 + ... + 102156.

It is an arithmetic number, because the mean of its divisors is an integer number (77631840).

Almost surely, 2^811013343 is an apocalyptic number.

811013343 is a deficient number, since it is larger than the sum of its proper divisors (431096097).

811013343 is a wasteful number, since it uses less digits than its factorization.

811013343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196246.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 811013343 is about 28478.2959988831. The cubic root of 811013343 is about 932.5583172397.

The spelling of 811013343 in words is "eight hundred eleven million, thirteen thousand, three hundred forty-three".