312030201121331 has 16 divisors (see below), whose sum is σ = 389498508880128. Its totient is φ = 242844264866400.

The previous prime is 312030201121313. The next prime is 312030201121349. The reversal of 312030201121331 is 133121102030213.

It is an interprime number because it is at equal distance from previous prime (312030201121313) and next prime (312030201121349).

It is a cyclic number.

It is not a de Polignac number, because 312030201121331 - 2¹⁰ = 312030201120307 is a prime.

It is a super-2 number, since 2×312030201121331² (a number of 30 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 = 312030201121297 and 312030201121306.

It is not an unprimeable number, because it can be changed into a prime (312030201129331) 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, 2467866305 + ... + 2467992738.

It is an arithmetic number, because the mean of its divisors is an integer number (24343656805008).

Almost surely, 2^{312030201121331} is an apocalyptic number.

312030201121331 is a deficient number, since it is larger than the sum of its proper divisors (77468307758797).

312030201121331 is a wasteful number, since it uses less digits than its factorization.

312030201121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4935859882.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 312030201121331 its reverse (133121102030213), we get a palindrome (445151303151544).

The spelling of 312030201121331 in words is "three hundred twelve trillion, thirty billion, two hundred one million, one hundred twenty-one thousand, three hundred thirty-one".