312140133334453 has 4 divisors (see below), whose sum is σ = 312141213734220. Its totient is φ = 312139052934688.

The previous prime is 312140133334423. The next prime is 312140133334543. The reversal of 312140133334453 is 354433331041213.

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 180118355789124 + 132021777545329 = 13420818^2 + 11490073^2 .

It is a cyclic number.

It is not a de Polignac number, because 312140133334453 - 2¹³ = 312140133326261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312140133334423) 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, 539766400 + ... + 540344377.

It is an arithmetic number, because the mean of its divisors is an integer number (78035303433555).

Almost surely, 2^{312140133334453} is an apocalyptic number.

It is an amenable number.

312140133334453 is a deficient number, since it is larger than the sum of its proper divisors (1080399767).

312140133334453 is a wasteful number, since it uses less digits than its factorization.

312140133334453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080399766.

The product of its (nonzero) digits is 466560, while the sum is 40.

Adding to 312140133334453 its reverse (354433331041213), we get a palindrome (666573464375666).

The spelling of 312140133334453 in words is "three hundred twelve trillion, one hundred forty billion, one hundred thirty-three million, three hundred thirty-four thousand, four hundred fifty-three".