31026204506066 has 128 divisors (see below), whose sum is σ = 62138541657600. Its totient is φ = 11247042723840.

The previous prime is 31026204505999. The next prime is 31026204506137. The reversal of 31026204506066 is 66060540262013.

It is a happy number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1644285680 + ... + 1644304548.

It is an arithmetic number, because the mean of its divisors is an integer number (485457356700).

Almost surely, 2^{31026204506066} is an apocalyptic number.

31026204506066 is an abundant number, since it is smaller than the sum of its proper divisors (31112337151534).

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

31026204506066 is a wasteful number, since it uses less digits than its factorization.

31026204506066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26052.

The product of its (nonzero) digits is 311040, while the sum is 41.

Adding to 31026204506066 its reverse (66060540262013), we get a palindrome (97086744768079).

The spelling of 31026204506066 in words is "thirty-one trillion, twenty-six billion, two hundred four million, five hundred six thousand, sixty-six".