10111143031 has 8 divisors (see below), whose sum is σ = 11031575184. Its totient is φ = 9190917120.

The previous prime is 10111143017. The next prime is 10111143043. The reversal of 10111143031 is 13034111101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-10111143031 is a prime.

It is a super-2 number, since 2×10111143031² (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 = 10111142996 and 10111143014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111143331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61801 + ... + 155053.

It is an arithmetic number, because the mean of its divisors is an integer number (1378946898).

Almost surely, 2^10111143031 is an apocalyptic number.

10111143031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10111143031 is a deficient number, since it is larger than the sum of its proper divisors (920432153).

10111143031 is an equidigital number, since it uses as much as digits as its factorization.

10111143031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103121.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10111143031 its reverse (13034111101), we get a palindrome (23145254132).

The spelling of 10111143031 in words is "ten billion, one hundred eleven million, one hundred forty-three thousand, thirty-one".