31101223110132 has 48 divisors (see below), whose sum is σ = 84342299973120. Its totient is φ = 8735452494432.

The previous prime is 31101223110121. The next prime is 31101223110179. The reversal of 31101223110132 is 23101132210113.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 31101223110099 and 31101223110108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3137729418 + ... + 3137739329.

It is an arithmetic number, because the mean of its divisors is an integer number (1757131249440).

Almost surely, 2^{31101223110132} is an apocalyptic number.

It is an amenable number.

31101223110132 is an abundant number, since it is smaller than the sum of its proper divisors (53241076862988).

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

31101223110132 is a wasteful number, since it uses less digits than its factorization.

31101223110132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6275468820 (or 6275468818 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 31101223110132 its reverse (23101132210113), we get a palindrome (54202355320245).

The spelling of 31101223110132 in words is "thirty-one trillion, one hundred one billion, two hundred twenty-three million, one hundred ten thousand, one hundred thirty-two".