312231200231 has 4 divisors (see below), whose sum is σ = 322303174464. Its totient is φ = 302159226000.

The previous prime is 312231200221. The next prime is 312231200263. The reversal of 312231200231 is 132002132213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132002132213 = 7 ⋅18857447459.

It is a cyclic number.

It is not a de Polignac number, because 312231200231 - 2¹⁰ = 312231199207 is a prime.

It is a super-2 number, since 2×312231200231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312231200201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5035987070 + ... + 5035987131.

It is an arithmetic number, because the mean of its divisors is an integer number (80575793616).

Almost surely, 2^312231200231 is an apocalyptic number.

312231200231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

312231200231 is a deficient number, since it is larger than the sum of its proper divisors (10071974233).

312231200231 is a wasteful number, since it uses less digits than its factorization.

312231200231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10071974232.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 312231200231 its reverse (132002132213), we get a palindrome (444233332444).

The spelling of 312231200231 in words is "three hundred twelve billion, two hundred thirty-one million, two hundred thousand, two hundred thirty-one".