31300111011 has 8 divisors (see below), whose sum is σ = 44943749200. Its totient is φ = 19261606752.

The previous prime is 31300110971. The next prime is 31300111033. The reversal of 31300111011 is 11011100313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31300111011 - 2³¹ = 29152627363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31300116011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401283436 + ... + 401283513.

It is an arithmetic number, because the mean of its divisors is an integer number (5617968650).

Almost surely, 2^31300111011 is an apocalyptic number.

31300111011 is a deficient number, since it is larger than the sum of its proper divisors (13643638189).

31300111011 is a wasteful number, since it uses less digits than its factorization.

31300111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802566965.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 31300111011 its reverse (11011100313), we get a palindrome (42311211324).

It can be divided in two parts, 31300 and 111011, that added together give a triangular number (142311 = T₅₃₃).

The spelling of 31300111011 in words is "thirty-one billion, three hundred million, one hundred eleven thousand, eleven".