31300020322311 has 64 divisors (see below), whose sum is σ = 46201261680000. Its totient is φ = 18729832366080.

The previous prime is 31300020322309. The next prime is 31300020322321. The reversal of 31300020322311 is 11322302000313.

It is not a de Polignac number, because 31300020322311 - 2¹ = 31300020322309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31300020322301) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 2551140685 + ... + 2551152953.

It is an arithmetic number, because the mean of its divisors is an integer number (721894713750).

Almost surely, 2^{31300020322311} is an apocalyptic number.

31300020322311 is a deficient number, since it is larger than the sum of its proper divisors (14901241357689).

31300020322311 is a wasteful number, since it uses less digits than its factorization.

31300020322311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24484.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31300020322311 its reverse (11322302000313), we get a palindrome (42622322322624).

The spelling of 31300020322311 in words is "thirty-one trillion, three hundred billion, twenty million, three hundred twenty-two thousand, three hundred eleven".