31020050643334 has 32 divisors (see below), whose sum is σ = 51974796960000. Its totient is φ = 13816633479264.

The previous prime is 31020050643317. The next prime is 31020050643343. The reversal of 31020050643334 is 43334605002013.

It is a super-2 number, since 2×31020050643334² (a number of 28 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 31020050643334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300728509 + ... + 300831640.

It is an arithmetic number, because the mean of its divisors is an integer number (1624212405000).

Almost surely, 2^{31020050643334} is an apocalyptic number.

31020050643334 is a deficient number, since it is larger than the sum of its proper divisors (20954746316666).

31020050643334 is a wasteful number, since it uses less digits than its factorization.

31020050643334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601560252.

The product of its (nonzero) digits is 77760, while the sum is 34.

Adding to 31020050643334 its reverse (43334605002013), we get a palindrome (74354655645347).

The spelling of 31020050643334 in words is "thirty-one trillion, twenty billion, fifty million, six hundred forty-three thousand, three hundred thirty-four".