913031012 has 12 divisors (see below), whose sum is σ = 1652901180. Its totient is φ = 440773536.

The previous prime is 913030999. The next prime is 913031017. The reversal of 913031012 is 210130319.

It can be written as a sum of positive squares in 2 ways, for example, as 301161316 + 611869696 = 17354^2 + 24736^2 .

It is not an unprimeable number, because it can be changed into a prime (913031017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3935363 + ... + 3935594.

It is an arithmetic number, because the mean of its divisors is an integer number (137741765).

Almost surely, 2^913031012 is an apocalyptic number.

It is an amenable number.

913031012 is a deficient number, since it is larger than the sum of its proper divisors (739870168).

913031012 is a wasteful number, since it uses less digits than its factorization.

913031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7870990 (or 7870988 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 913031012 is about 30216.4030288186. The cubic root of 913031012 is about 970.1268165933.

The spelling of 913031012 in words is "nine hundred thirteen million, thirty-one thousand, twelve".