630310155 has 8 divisors (see below), whose sum is σ = 1008496272. Its totient is φ = 336165408.

The previous prime is 630310129. The next prime is 630310189. The reversal of 630310155 is 551013036.

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

It is not a de Polignac number, because 630310155 - 2⁹ = 630309643 is a prime.

It is a super-2 number, since 2×630310155² = 794581782992248050, which contains 22 as substring.

It is an unprimeable number.

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, 21010324 + ... + 21010353.

It is an arithmetic number, because the mean of its divisors is an integer number (126062034).

Almost surely, 2^630310155 is an apocalyptic number.

630310155 is a deficient number, since it is larger than the sum of its proper divisors (378186117).

630310155 is a wasteful number, since it uses less digits than its factorization.

630310155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42020685.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 630310155 is about 25105.9784712725. The cubic root of 630310155 is about 857.4025445490.

The spelling of 630310155 in words is "six hundred thirty million, three hundred ten thousand, one hundred fifty-five".