312413020133 has 4 divisors (see below), whose sum is σ = 312665578380. Its totient is φ = 312160461888.

The previous prime is 312413020123. The next prime is 312413020141. The reversal of 312413020133 is 331020314213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 257026692484 + 55386327649 = 506978^2 + 235343^2 .

It is a cyclic number.

It is not a de Polignac number, because 312413020133 - 2³⁶ = 243693543397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312413020099 and 312413020108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312413020123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126277268 + ... + 126279741.

It is an arithmetic number, because the mean of its divisors is an integer number (78166394595).

Almost surely, 2^312413020133 is an apocalyptic number.

It is an amenable number.

312413020133 is a deficient number, since it is larger than the sum of its proper divisors (252558247).

312413020133 is a wasteful number, since it uses less digits than its factorization.

312413020133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252558246.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 312413020133 its reverse (331020314213), we get a palindrome (643433334346).

The spelling of 312413020133 in words is "three hundred twelve billion, four hundred thirteen million, twenty thousand, one hundred thirty-three".