31101113223100 has 36 divisors (see below), whose sum is σ = 68020828443904. Its totient is φ = 12342489022080.

The previous prime is 31101113223091. The next prime is 31101113223119. The reversal of 31101113223100 is 132231110113.

It is a super-2 number, since 2×31101113223100² (a number of 28 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 1224440577 + ... + 1224465976.

Almost surely, 2^{31101113223100} is an apocalyptic number.

It is an amenable number.

31101113223100 is an abundant number, since it is smaller than the sum of its proper divisors (36919715220804).

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

31101113223100 is a wasteful number, since it uses less digits than its factorization.

31101113223100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448906694 (or 2448906687 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 31101113223100 its reverse (132231110113), we get a palindrome (31233344333213).

The spelling of 31101113223100 in words is "thirty-one trillion, one hundred one billion, one hundred thirteen million, two hundred twenty-three thousand, one hundred".