223451313453031 has 4 divisors (see below), whose sum is σ = 227238623850600. Its totient is φ = 219664003055464.

The previous prime is 223451313453029. The next prime is 223451313453037. The reversal of 223451313453031 is 130354313154322.

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 223451313453031 - 2¹ = 223451313453029 is a prime.

It is a super-2 number, since 2×223451313453031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223451313453037) 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, 1893655198696 + ... + 1893655198813.

It is an arithmetic number, because the mean of its divisors is an integer number (56809655962650).

Almost surely, 2^{223451313453031} is an apocalyptic number.

223451313453031 is a deficient number, since it is larger than the sum of its proper divisors (3787310397569).

223451313453031 is an equidigital number, since it uses as much as digits as its factorization.

223451313453031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787310397568.

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 223451313453031 in words is "two hundred twenty-three trillion, four hundred fifty-one billion, three hundred thirteen million, four hundred fifty-three thousand, thirty-one".