223012331331 has 4 divisors (see below), whose sum is σ = 297349775112. Its totient is φ = 148674887552.

The previous prime is 223012331287. The next prime is 223012331393. The reversal of 223012331331 is 133133210322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223012331331 - 2⁷ = 223012331203 is a prime.

It is a super-2 number, since 2×223012331331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223012331131) 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, 37168721886 + ... + 37168721891.

It is an arithmetic number, because the mean of its divisors is an integer number (74337443778).

Almost surely, 2^223012331331 is an apocalyptic number.

223012331331 is a deficient number, since it is larger than the sum of its proper divisors (74337443781).

223012331331 is an equidigital number, since it uses as much as digits as its factorization.

223012331331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74337443780.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 223012331331 its reverse (133133210322), we get a palindrome (356145541653).

The spelling of 223012331331 in words is "two hundred twenty-three billion, twelve million, three hundred thirty-one thousand, three hundred thirty-one".