11012031023 has 6 divisors (see below), whose sum is σ = 12809913696. Its totient is φ = 9438883692.

The previous prime is 11012030989. The next prime is 11012031029. The reversal of 11012031023 is 32013021011.

It is not a de Polignac number, because 11012031023 - 2⁸ = 11012030767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012030989 and 11012031007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012031029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112367615 + ... + 112367712.

It is an arithmetic number, because the mean of its divisors is an integer number (2134985616).

Almost surely, 2^11012031023 is an apocalyptic number.

11012031023 is a deficient number, since it is larger than the sum of its proper divisors (1797882673).

11012031023 is an equidigital number, since it uses as much as digits as its factorization.

11012031023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224735341 (or 224735334 counting only the distinct ones).

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

Adding to 11012031023 its reverse (32013021011), we get a palindrome (43025052034).

The spelling of 11012031023 in words is "eleven billion, twelve million, thirty-one thousand, twenty-three".