111452013231 has 8 divisors (see below), whose sum is σ = 160033660080. Its totient is φ = 68585854272.

The previous prime is 111452013229. The next prime is 111452013241. The reversal of 111452013231 is 132310254111.

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

It is not a de Polignac number, because 111452013231 - 2¹ = 111452013229 is a prime.

It is a super-2 number, since 2×111452013231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111452013221) 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, 1428871926 + ... + 1428872003.

It is an arithmetic number, because the mean of its divisors is an integer number (20004207510).

Almost surely, 2^111452013231 is an apocalyptic number.

111452013231 is a deficient number, since it is larger than the sum of its proper divisors (48581646849).

111452013231 is a wasteful number, since it uses less digits than its factorization.

111452013231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857743945.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 111452013231 its reverse (132310254111), we get a palindrome (243762267342).

The spelling of 111452013231 in words is "one hundred eleven billion, four hundred fifty-two million, thirteen thousand, two hundred thirty-one".