202230312311312 has 20 divisors (see below), whose sum is σ = 391829164362300. Its totient is φ = 101113108604928.

The previous prime is 202230312311257. The next prime is 202230312311327. The reversal of 202230312311312 is 213113213032202.

It can be written as a sum of positive squares in 2 ways, for example, as 94977031219456 + 107253281091856 = 9745616^2 + 10356316^2 .

It is a super-2 number, since 2×202230312311312² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127156937 + ... + 128737512.

It is an arithmetic number, because the mean of its divisors is an integer number (19591458218115).

Almost surely, 2^{202230312311312} is an apocalyptic number.

It is an amenable number.

202230312311312 is a deficient number, since it is larger than the sum of its proper divisors (189598852050988).

202230312311312 is a wasteful number, since it uses less digits than its factorization.

202230312311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255943850 (or 255943844 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 202230312311312 its reverse (213113213032202), we get a palindrome (415343525343514).

The spelling of 202230312311312 in words is "two hundred two trillion, two hundred thirty billion, three hundred twelve million, three hundred eleven thousand, three hundred twelve".