111403443131 has 8 divisors (see below), whose sum is σ = 115254975600. Its totient is φ = 107552579680.

The previous prime is 111403443101. The next prime is 111403443143. The reversal of 111403443131 is 131344304111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111403443131 is a prime.

It is a super-2 number, since 2×111403443131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111403443131.

It is not an unprimeable number, because it can be changed into a prime (111403443101) 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, 184076 + ... + 506646.

It is an arithmetic number, because the mean of its divisors is an integer number (14406871950).

Almost surely, 2^111403443131 is an apocalyptic number.

111403443131 is a deficient number, since it is larger than the sum of its proper divisors (3851532469).

111403443131 is a wasteful number, since it uses less digits than its factorization.

111403443131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334509.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 111403443131 its reverse (131344304111), we get a palindrome (242747747242).

The spelling of 111403443131 in words is "one hundred eleven billion, four hundred three million, four hundred forty-three thousand, one hundred thirty-one".