1023200031011 has 4 divisors (see below), whose sum is σ = 1035527742312. Its totient is φ = 1010872319712.

The previous prime is 1023200030959. The next prime is 1023200031017. The reversal of 1023200031011 is 1101300023201.

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 1023200031011 - 2⁶ = 1023200030947 is a prime.

It is a super-2 number, since 2×1023200031011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023200031017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6163855526 + ... + 6163855691.

It is an arithmetic number, because the mean of its divisors is an integer number (258881935578).

Almost surely, 2^{1023200031011} is an apocalyptic number.

1023200031011 is a deficient number, since it is larger than the sum of its proper divisors (12327711301).

1023200031011 is an equidigital number, since it uses as much as digits as its factorization.

1023200031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12327711300.

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

Adding to 1023200031011 its reverse (1101300023201), we get a palindrome (2124500054212).

The spelling of 1023200031011 in words is "one trillion, twenty-three billion, two hundred million, thirty-one thousand, eleven".