312545011 has 4 divisors (see below), whose sum is σ = 312681312. Its totient is φ = 312408712.

The previous prime is 312544993. The next prime is 312545021. The reversal of 312545011 is 110545213.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110545213 = 491 ⋅225143.

It is a cyclic number.

It is not a de Polignac number, because 312545011 - 2⁵ = 312544979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312545021) 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, 64651 + ... + 69316.

It is an arithmetic number, because the mean of its divisors is an integer number (78170328).

Almost surely, 2^312545011 is an apocalyptic number.

312545011 is a deficient number, since it is larger than the sum of its proper divisors (136301).

312545011 is a wasteful number, since it uses less digits than its factorization.

312545011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136300.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 312545011 is about 17678.9425871572. The cubic root of 312545011 is about 678.6369835583.

The spelling of 312545011 in words is "three hundred twelve million, five hundred forty-five thousand, eleven".