10001323031 has 16 divisors (see below), whose sum is σ = 11565508416. Its totient is φ = 8471264256.

The previous prime is 10001323009. The next prime is 10001323043. The reversal of 10001323031 is 13032310001.

It is not a de Polignac number, because 10001323031 - 2¹⁸ = 10001060887 is a prime.

It is a super-2 number, since 2×10001323031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10001322997 and 10001323015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001323331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448805 + ... + 470561.

It is an arithmetic number, because the mean of its divisors is an integer number (722844276).

Almost surely, 2^10001323031 is an apocalyptic number.

10001323031 is a deficient number, since it is larger than the sum of its proper divisors (1564185385).

10001323031 is an equidigital number, since it uses as much as digits as its factorization.

10001323031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22538.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 10001323031 its reverse (13032310001), we get a palindrome (23033633032).

The spelling of 10001323031 in words is "ten billion, one million, three hundred twenty-three thousand, thirty-one".