223031213131 has 8 divisors (see below), whose sum is σ = 224076625344. Its totient is φ = 221986555200.

The previous prime is 223031213117. The next prime is 223031213189. The reversal of 223031213131 is 131312130322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223031213131 - 2¹¹ = 223031211083 is a prime.

It is a super-2 number, since 2×223031213131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223031213101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408606 + ... + 782956.

It is an arithmetic number, because the mean of its divisors is an integer number (28009578168).

Almost surely, 2^223031213131 is an apocalyptic number.

223031213131 is a deficient number, since it is larger than the sum of its proper divisors (1045412213).

223031213131 is a wasteful number, since it uses less digits than its factorization.

223031213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377141.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 223031213131 its reverse (131312130322), we get a palindrome (354343343453).

The spelling of 223031213131 in words is "two hundred twenty-three billion, thirty-one million, two hundred thirteen thousand, one hundred thirty-one".