1111300023431 has 32 divisors (see below), whose sum is σ = 1235816736000. Its totient is φ = 993020705280.

The previous prime is 1111300023409. The next prime is 1111300023437. The reversal of 1111300023431 is 1343200031111.

It is a cyclic number.

It is not a de Polignac number, because 1111300023431 - 2¹⁰ = 1111300022407 is a prime.

It is a super-2 number, since 2×1111300023431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111300023437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12835970 + ... + 12922256.

It is an arithmetic number, because the mean of its divisors is an integer number (38619273000).

Almost surely, 2^{1111300023431} is an apocalyptic number.

1111300023431 is a deficient number, since it is larger than the sum of its proper divisors (124516712569).

1111300023431 is a wasteful number, since it uses less digits than its factorization.

1111300023431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86619.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1111300023431 its reverse (1343200031111), we get a palindrome (2454500054542).

The spelling of 1111300023431 in words is "one trillion, one hundred eleven billion, three hundred million, twenty-three thousand, four hundred thirty-one".