312030204142231 has 8 divisors (see below), whose sum is σ = 322095904313984. Its totient is φ = 301964517077760.

The previous prime is 312030204142193. The next prime is 312030204142277. The reversal of 312030204142231 is 132241402030213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312030204142231 is a prime.

It is a super-2 number, since 2×312030204142231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312030204142231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312030204142831) 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, 74120995 + ... + 78217531.

It is an arithmetic number, because the mean of its divisors is an integer number (40261988039248).

Almost surely, 2^{312030204142231} is an apocalyptic number.

312030204142231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

312030204142231 is a deficient number, since it is larger than the sum of its proper divisors (10065700171753).

312030204142231 is a wasteful number, since it uses less digits than its factorization.

312030204142231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6553641.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 312030204142231 its reverse (132241402030213), we get a palindrome (444271606172444).

The spelling of 312030204142231 in words is "three hundred twelve trillion, thirty billion, two hundred four million, one hundred forty-two thousand, two hundred thirty-one".