312445434501 has 6 divisors (see below), whose sum is σ = 451310072070. Its totient is φ = 208296956328.

The previous prime is 312445434491. The next prime is 312445434503. The reversal of 312445434501 is 105434544213.

312445434501 is a `hidden beast` number, since 3 + 124 + 45 + 43 + 450 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 202270565025 + 110174869476 = 449745^2 + 331926^2 .

It is not a de Polignac number, because 312445434501 - 2¹⁵ = 312445401733 is a prime.

It is a super-2 number, since 2×312445434501² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312445434503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17358079686 + ... + 17358079703.

It is an arithmetic number, because the mean of its divisors is an integer number (75218345345).

Almost surely, 2^312445434501 is an apocalyptic number.

It is an amenable number.

312445434501 is a deficient number, since it is larger than the sum of its proper divisors (138864637569).

312445434501 is a wasteful number, since it uses less digits than its factorization.

312445434501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34716159395 (or 34716159392 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 312445434501 its reverse (105434544213), we get a palindrome (417879978714).

The spelling of 312445434501 in words is "three hundred twelve billion, four hundred forty-five million, four hundred thirty-four thousand, five hundred one".