311072034 has 32 divisors (see below), whose sum is σ = 765717120. Its totient is φ = 82040832.

The previous prime is 311072023. The next prime is 311072057. The reversal of 311072034 is 430270113.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 311072034.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284319 + ... + 285410.

It is an arithmetic number, because the mean of its divisors is an integer number (23928660).

Almost surely, 2^311072034 is an apocalyptic number.

311072034 is an abundant number, since it is smaller than the sum of its proper divisors (454645086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311072034 is a wasteful number, since it uses less digits than its factorization.

311072034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569754.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 311072034 is about 17637.2343069995. The cubic root of 311072034 is about 677.5692001410.

The spelling of 311072034 in words is "three hundred eleven million, seventy-two thousand, thirty-four".