110221323431 has 4 divisors (see below), whose sum is σ = 110222477952. Its totient is φ = 110220168912.

The previous prime is 110221323409. The next prime is 110221323463. The reversal of 110221323431 is 134323122011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134323122011 = 13 ⋅10332547847.

It is a cyclic number.

It is not a de Polignac number, because 110221323431 - 2¹⁴ = 110221307047 is a prime.

It is a super-2 number, since 2×110221323431² (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 = 110221323397 and 110221323406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221523431) 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, 419726 + ... + 629771.

It is an arithmetic number, because the mean of its divisors is an integer number (27555619488).

Almost surely, 2^110221323431 is an apocalyptic number.

110221323431 is a deficient number, since it is larger than the sum of its proper divisors (1154521).

110221323431 is a wasteful number, since it uses less digits than its factorization.

110221323431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154520.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 110221323431 its reverse (134323122011), we get a palindrome (244544445442).

The spelling of 110221323431 in words is "one hundred ten billion, two hundred twenty-one million, three hundred twenty-three thousand, four hundred thirty-one".