111232141031 has 4 divisors (see below), whose sum is σ = 121344153864. Its totient is φ = 101120128200.

The previous prime is 111232141021. The next prime is 111232141037. The reversal of 111232141031 is 130141232111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130141232111 = 11 ⋅11831021101.

It is a cyclic number.

It is not a de Polignac number, because 111232141031 - 2⁶ = 111232140967 is a prime.

It is a super-2 number, since 2×111232141031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111232140994 and 111232141012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111232141037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5056006400 + ... + 5056006421.

It is an arithmetic number, because the mean of its divisors is an integer number (30336038466).

Almost surely, 2^111232141031 is an apocalyptic number.

111232141031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111232141031 is a deficient number, since it is larger than the sum of its proper divisors (10112012833).

111232141031 is a wasteful number, since it uses less digits than its factorization.

111232141031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10112012832.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 111232141031 its reverse (130141232111), we get a palindrome (241373373142).

The spelling of 111232141031 in words is "one hundred eleven billion, two hundred thirty-two million, one hundred forty-one thousand, thirty-one".