312630053 has 8 divisors (see below), whose sum is σ = 326405376. Its totient is φ = 298870000.

The previous prime is 312630037. The next prime is 312630061. The reversal of 312630053 is 350036213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312630053 - 2⁴ = 312630037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312630013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63428 + ... + 68178.

It is an arithmetic number, because the mean of its divisors is an integer number (40800672).

Almost surely, 2^312630053 is an apocalyptic number.

It is an amenable number.

312630053 is a deficient number, since it is larger than the sum of its proper divisors (13775323).

312630053 is a wasteful number, since it uses less digits than its factorization.

312630053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7635.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 312630053 is about 17681.3476013566. The cubic root of 312630053 is about 678.6985292671.

Adding to 312630053 its reverse (350036213), we get a palindrome (662666266).

The spelling of 312630053 in words is "three hundred twelve million, six hundred thirty thousand, fifty-three".