31302023323011 has 16 divisors (see below), whose sum is σ = 47698667890944. Its totient is φ = 17886740481504.

The previous prime is 31302023323001. The next prime is 31302023323019. The reversal of 31302023323011 is 11032332020313.

It is not a de Polignac number, because 31302023323011 - 2¹⁵ = 31302023290243 is a prime.

It is a super-2 number, since 2×31302023323011² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31302023323019) 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 15 ways as a sum of consecutive naturals, for example, 2419165 + ... + 8273838.

It is an arithmetic number, because the mean of its divisors is an integer number (2981166743184).

Almost surely, 2^{31302023323011} is an apocalyptic number.

31302023323011 is a deficient number, since it is larger than the sum of its proper divisors (16396644567933).

31302023323011 is a wasteful number, since it uses less digits than its factorization.

31302023323011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10832410.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31302023323011 its reverse (11032332020313), we get a palindrome (42334355343324).

The spelling of 31302023323011 in words is "thirty-one trillion, three hundred two billion, twenty-three million, three hundred twenty-three thousand, eleven".