312040045420311 has 32 divisors (see below), whose sum is σ = 449322509074432. Its totient is φ = 191482951795200.

The previous prime is 312040045420309. The next prime is 312040045420379. The reversal of 312040045420311 is 113024540040213.

It is not a de Polignac number, because 312040045420311 - 2¹ = 312040045420309 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 (312040045410311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28210986 + ... + 37682088.

It is an arithmetic number, because the mean of its divisors is an integer number (14041328408576).

Almost surely, 2^{312040045420311} is an apocalyptic number.

312040045420311 is a deficient number, since it is larger than the sum of its proper divisors (137282463654121).

312040045420311 is a wasteful number, since it uses less digits than its factorization.

312040045420311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9473503.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 312040045420311 its reverse (113024540040213), we get a palindrome (425064585460524).

The spelling of 312040045420311 in words is "three hundred twelve trillion, forty billion, forty-five million, four hundred twenty thousand, three hundred eleven".