312311354 has 4 divisors (see below), whose sum is σ = 468467034. Its totient is φ = 156155676.

The previous prime is 312311327. The next prime is 312311357. The reversal of 312311354 is 453113213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 453113213 = 7 ⋅64730459.

It can be written as a sum of positive squares in only one way, i.e., 310711129 + 1600225 = 17627^2 + 1265^2 .

It is not an unprimeable number, because it can be changed into a prime (312311357) 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 as a sum of consecutive naturals, namely, 78077837 + ... + 78077840.

Almost surely, 2^312311354 is an apocalyptic number.

312311354 is a deficient number, since it is larger than the sum of its proper divisors (156155680).

312311354 is a wasteful number, since it uses less digits than its factorization.

312311354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156155679.

The product of its digits is 1080, while the sum is 23.

The square root of 312311354 is about 17672.3330095378. Note that the first 3 decimals coincide. The cubic root of 312311354 is about 678.4678262557.

Adding to 312311354 its reverse (453113213), we get a palindrome (765424567).

The spelling of 312311354 in words is "three hundred twelve million, three hundred eleven thousand, three hundred fifty-four".