10011223031 has 4 divisors (see below), whose sum is σ = 10011664872. Its totient is φ = 10010781192.

The previous prime is 10011223003. The next prime is 10011223043. The reversal of 10011223031 is 13032211001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10011223031 is a prime.

It is a super-2 number, since 2×10011223031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011222997 and 10011223015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011223091) 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, 184985 + ... + 232898.

It is an arithmetic number, because the mean of its divisors is an integer number (2502916218).

Almost surely, 2^10011223031 is an apocalyptic number.

10011223031 is a deficient number, since it is larger than the sum of its proper divisors (441841).

10011223031 is an equidigital number, since it uses as much as digits as its factorization.

10011223031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441840.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10011223031 its reverse (13032211001), we get a palindrome (23043434032).

The spelling of 10011223031 in words is "ten billion, eleven million, two hundred twenty-three thousand, thirty-one".