312453133 has 4 divisors (see below), whose sum is σ = 319101120. Its totient is φ = 305805148.

The previous prime is 312453121. The next prime is 312453139. The reversal of 312453133 is 331354213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312453133 - 2¹³ = 312444941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312453098 and 312453107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312453139) 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, 3323923 + ... + 3324016.

It is an arithmetic number, because the mean of its divisors is an integer number (79775280).

Almost surely, 2^312453133 is an apocalyptic number.

It is an amenable number.

312453133 is a deficient number, since it is larger than the sum of its proper divisors (6647987).

312453133 is an equidigital number, since it uses as much as digits as its factorization.

312453133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6647986.

The product of its digits is 3240, while the sum is 25.

The square root of 312453133 is about 17676.3438810179. The cubic root of 312453133 is about 678.5704780232.

The spelling of 312453133 in words is "three hundred twelve million, four hundred fifty-three thousand, one hundred thirty-three".