223232031313 has 4 divisors (see below), whose sum is σ = 224215432560. Its totient is φ = 222248630068.

The previous prime is 223232031271. The next prime is 223232031389. The reversal of 223232031313 is 313130232322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223232031313 - 2¹³ = 223232023121 is a prime.

It is a super-3 number, since 3×223232031313³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223232038313) 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, 491700283 + ... + 491700736.

It is an arithmetic number, because the mean of its divisors is an integer number (56053858140).

Almost surely, 2^223232031313 is an apocalyptic number.

It is an amenable number.

223232031313 is a deficient number, since it is larger than the sum of its proper divisors (983401247).

223232031313 is an equidigital number, since it uses as much as digits as its factorization.

223232031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983401246.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 223232031313 its reverse (313130232322), we get a palindrome (536362263635).

The spelling of 223232031313 in words is "two hundred twenty-three billion, two hundred thirty-two million, thirty-one thousand, three hundred thirteen".