223000000031 has 8 divisors (see below), whose sum is σ = 228455038224. Its totient is φ = 217545724480.

The previous prime is 223000000021. The next prime is 223000000043. The reversal of 223000000031 is 130000000322.

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

It is not a de Polignac number, because 223000000031 - 2²² = 222995805727 is a prime.

It is a super-2 number, since 2×223000000031² (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 = 222999999949 and 223000000021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223000000021) 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, 425345 + ... + 791781.

It is an arithmetic number, because the mean of its divisors is an integer number (28556879778).

Almost surely, 2^223000000031 is an apocalyptic number.

223000000031 is a deficient number, since it is larger than the sum of its proper divisors (5455038193).

223000000031 is a wasteful number, since it uses less digits than its factorization.

223000000031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381321.

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 223000000031 its reverse (130000000322), we get a palindrome (353000000353).

The spelling of 223000000031 in words is "two hundred twenty-three billion, thirty-one", and thus it is an aban number.