31302100011 has 64 divisors (see below), whose sum is σ = 54575539200. Its totient is φ = 15510652416.

The previous prime is 31302100001. The next prime is 31302100013. The reversal of 31302100011 is 11000120313.

It is not a de Polignac number, because 31302100011 - 2⁷ = 31302099883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31302100011.

It is not an unprimeable number, because it can be changed into a prime (31302100013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 239500 + ... + 346358.

It is an arithmetic number, because the mean of its divisors is an integer number (852742800).

Almost surely, 2^31302100011 is an apocalyptic number.

31302100011 is a deficient number, since it is larger than the sum of its proper divisors (23273439189).

31302100011 is a wasteful number, since it uses less digits than its factorization.

31302100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106948.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 31302100011 its reverse (11000120313), we get a palindrome (42302220324).

The spelling of 31302100011 in words is "thirty-one billion, three hundred two million, one hundred thousand, eleven".