31078032834 has 32 divisors (see below), whose sum is σ = 63516960000. Its totient is φ = 10133690112.

The previous prime is 31078032833. The next prime is 31078032847. The reversal of 31078032834 is 43823087013.

It is a junction number, because it is equal to n+sod(n) for n = 31078032792 and 31078032801.

It is not an unprimeable number, because it can be changed into a prime (31078032833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37834 + ... + 252165.

It is an arithmetic number, because the mean of its divisors is an integer number (1984905000).

Almost surely, 2^31078032834 is an apocalyptic number.

31078032834 is an abundant number, since it is smaller than the sum of its proper divisors (32438927166).

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

31078032834 is a wasteful number, since it uses less digits than its factorization.

31078032834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290394.

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 31078032834 in words is "thirty-one billion, seventy-eight million, thirty-two thousand, eight hundred thirty-four".