202212323031 has 16 divisors (see below), whose sum is σ = 274211521920. Its totient is φ = 132511092000.

The previous prime is 202212323029. The next prime is 202212323057. The reversal of 202212323031 is 130323212202.

It is a happy number.

It is not a de Polignac number, because 202212323031 - 2¹ = 202212323029 is a prime.

It is a super-2 number, since 2×202212323031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202212322989 and 202212323007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212323021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2121801 + ... + 2215053.

It is an arithmetic number, because the mean of its divisors is an integer number (17138220120).

Almost surely, 2^202212323031 is an apocalyptic number.

202212323031 is a deficient number, since it is larger than the sum of its proper divisors (71999198889).

202212323031 is a wasteful number, since it uses less digits than its factorization.

202212323031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105566.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 202212323031 its reverse (130323212202), we get a palindrome (332535535233).

The spelling of 202212323031 in words is "two hundred two billion, two hundred twelve million, three hundred twenty-three thousand, thirty-one".