312031033101 has 12 divisors (see below), whose sum is σ = 477223933212. Its totient is φ = 195784177536.

The previous prime is 312031033087. The next prime is 312031033103. The reversal of 312031033101 is 101330130213.

It is a happy number.

312031033101 is a `hidden beast` number, since 3 + 1 + 20 + 310 + 331 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 211944219876 + 100086813225 = 460374^2 + 316365^2 .

It is not a de Polignac number, because 312031033101 - 2⁹ = 312031032589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312031033103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1019709106 + ... + 1019709411.

It is an arithmetic number, because the mean of its divisors is an integer number (39768661101).

Almost surely, 2^312031033101 is an apocalyptic number.

It is an amenable number.

312031033101 is a deficient number, since it is larger than the sum of its proper divisors (165192900111).

312031033101 is a wasteful number, since it uses less digits than its factorization.

312031033101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039418540 (or 2039418537 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 312031033101 its reverse (101330130213), we get a palindrome (413361163314).

The spelling of 312031033101 in words is "three hundred twelve billion, thirty-one million, thirty-three thousand, one hundred one".