31416335628 has 96 divisors (see below), whose sum is σ = 77394949632. Its totient is φ = 9898944000.

The previous prime is 31416335623. The next prime is 31416335641. The reversal of 31416335628 is 82653361413.

It is a super-2 number, since 2×31416335628² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31416335628.

It is not an unprimeable number, because it can be changed into a prime (31416335623) 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 31 ways as a sum of consecutive naturals, for example, 28795363 + ... + 28796453.

It is an arithmetic number, because the mean of its divisors is an integer number (806197392).

Almost surely, 2^31416335628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31416335628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38697474816).

31416335628 is an abundant number, since it is smaller than the sum of its proper divisors (45978614004).

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

31416335628 is a wasteful number, since it uses less digits than its factorization.

31416335628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255 (or 2253 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The spelling of 31416335628 in words is "thirty-one billion, four hundred sixteen million, three hundred thirty-five thousand, six hundred twenty-eight".