961311313203112 has 64 divisors (see below), whose sum is σ = 1912141334779200. Its totient is φ = 451811357222400.

The previous prime is 961311313203089. The next prime is 961311313203113. The reversal of 961311313203112 is 211302313113169.

It is a happy number.

It is a super-4 number, since 4×961311313203112⁴ (a number of 61 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (961311313203113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17389243 + ... + 47169994.

It is an arithmetic number, because the mean of its divisors is an integer number (29877208355925).

Almost surely, 2^{961311313203112} is an apocalyptic number.

It is an amenable number.

961311313203112 is a deficient number, since it is larger than the sum of its proper divisors (950830021576088).

961311313203112 is a wasteful number, since it uses less digits than its factorization.

961311313203112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64560026 (or 64560022 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 961311313203112 in words is "nine hundred sixty-one trillion, three hundred eleven billion, three hundred thirteen million, two hundred three thousand, one hundred twelve".