111144401031 has 8 divisors (see below), whose sum is σ = 156909742704. Its totient is φ = 69737663360.

The previous prime is 111144400951. The next prime is 111144401041. The reversal of 111144401031 is 130104441111.

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

It is a cyclic number.

It is not a de Polignac number, because 111144401031 - 2¹⁸ = 111144138887 is a prime.

It is a super-3 number, since 3×111144401031³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 111144400989 and 111144401007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111144401041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089650940 + ... + 1089651041.

It is an arithmetic number, because the mean of its divisors is an integer number (19613717838).

Almost surely, 2^111144401031 is an apocalyptic number.

111144401031 is a deficient number, since it is larger than the sum of its proper divisors (45765341673).

111144401031 is a wasteful number, since it uses less digits than its factorization.

111144401031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179302001.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 111144401031 its reverse (130104441111), we get a palindrome (241248842142).

The spelling of 111144401031 in words is "one hundred eleven billion, one hundred forty-four million, four hundred one thousand, thirty-one".