312140363 has 2 divisors, whose sum is σ = 312140364. Its totient is φ = 312140362.

The previous prime is 312140351. The next prime is 312140377. The reversal of 312140363 is 363041213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312140363 - 2⁴ = 312140347 is a prime.

It is not a weakly prime, because it can be changed into another prime (312140063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156070181 + 156070182.

It is an arithmetic number, because the mean of its divisors is an integer number (156070182).

Almost surely, 2^312140363 is an apocalyptic number.

312140363 is a deficient number, since it is larger than the sum of its proper divisors (1).

312140363 is an equidigital number, since it uses as much as digits as its factorization.

312140363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 312140363 is about 17667.4945309175. The cubic root of 312140363 is about 678.3439828867.

Adding to 312140363 its reverse (363041213), we get a palindrome (675181576).

The spelling of 312140363 in words is "three hundred twelve million, one hundred forty thousand, three hundred sixty-three".