31302021201100 has 36 divisors (see below), whose sum is σ = 73150415702224. Its totient is φ = 11557669366080.

The previous prime is 31302021201013. The next prime is 31302021201127. The reversal of 31302021201100 is 110212020313.

It is a super-2 number, since 2×31302021201100² (a number of 28 digits) contains 22 as substring.

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, 12039237624 + ... + 12039240223.

Almost surely, 2^{31302021201100} is an apocalyptic number.

It is an amenable number.

31302021201100 is an abundant number, since it is smaller than the sum of its proper divisors (41848394501124).

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

31302021201100 is a wasteful number, since it uses less digits than its factorization.

31302021201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24078477874 (or 24078477867 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31302021201100 its reverse (110212020313), we get a palindrome (31412233221413).

The spelling of 31302021201100 in words is "thirty-one trillion, three hundred two billion, twenty-one million, two hundred one thousand, one hundred".