223051631231 has 24 divisors (see below), whose sum is σ = 264443697840. Its totient is φ = 186884248320.

The previous prime is 223051631227. The next prime is 223051631291. The reversal of 223051631231 is 132136150322.

It is a happy number.

It is not a de Polignac number, because 223051631231 - 2² = 223051631227 is a prime.

It is a super-2 number, since 2×223051631231² (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 = 223051631194 and 223051631203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223051631221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 901175 + ... + 1121703.

It is an arithmetic number, because the mean of its divisors is an integer number (11018487410).

Almost surely, 2^223051631231 is an apocalyptic number.

223051631231 is a deficient number, since it is larger than the sum of its proper divisors (41392066609).

223051631231 is a wasteful number, since it uses less digits than its factorization.

223051631231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221207 (or 221196 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 223051631231 its reverse (132136150322), we get a palindrome (355187781553).

The spelling of 223051631231 in words is "two hundred twenty-three billion, fifty-one million, six hundred thirty-one thousand, two hundred thirty-one".