312451154213 has 4 divisors (see below), whose sum is σ = 340855804608. Its totient is φ = 284046503820.

The previous prime is 312451154207. The next prime is 312451154227.

312451154213 is nontrivially palindromic in base 10.

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 312451154213 - 2⁶ = 312451154149 is a prime.

It is a super-3 number, since 3×312451154213³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312451154213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312451154513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14202325181 + ... + 14202325202.

It is an arithmetic number, because the mean of its divisors is an integer number (85213951152).

Almost surely, 2^312451154213 is an apocalyptic number.

It is an amenable number.

312451154213 is a deficient number, since it is larger than the sum of its proper divisors (28404650395).

312451154213 is a wasteful number, since it uses less digits than its factorization.

312451154213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28404650394.

The product of its digits is 14400, while the sum is 32.

It can be divided in two parts, 312451 and 154213, that added together give a palindrome (466664).

The spelling of 312451154213 in words is "three hundred twelve billion, four hundred fifty-one million, one hundred fifty-four thousand, two hundred thirteen".