10031320311 has 4 divisors (see below), whose sum is σ = 13375093752. Its totient is φ = 6687546872.

The previous prime is 10031320291. The next prime is 10031320319. The reversal of 10031320311 is 11302313001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10031320311 - 2⁹ = 10031319799 is a prime.

It is a super-2 number, since 2×10031320311² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031320319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1671886716 + ... + 1671886721.

It is an arithmetic number, because the mean of its divisors is an integer number (3343773438).

Almost surely, 2^10031320311 is an apocalyptic number.

10031320311 is a deficient number, since it is larger than the sum of its proper divisors (3343773441).

10031320311 is an equidigital number, since it uses as much as digits as its factorization.

10031320311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343773440.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 10031320311 its reverse (11302313001), we get a palindrome (21333633312).

The spelling of 10031320311 in words is "ten billion, thirty-one million, three hundred twenty thousand, three hundred eleven".