63012331 has 4 divisors (see below), whose sum is σ = 65185200. Its totient is φ = 60839464.

The previous prime is 63012311. The next prime is 63012337. The reversal of 63012331 is 13321036.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63012331 - 2¹⁹ = 62488043 is a prime.

It is a super-2 number, since 2×63012331² = 7941107716107122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63012299 and 63012308.

It is not an unprimeable number, because it can be changed into a prime (63012337) 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 in 3 ways as a sum of consecutive naturals, for example, 1086391 + ... + 1086448.

It is an arithmetic number, because the mean of its divisors is an integer number (16296300).

Almost surely, 2^63012331 is an apocalyptic number.

63012331 is a deficient number, since it is larger than the sum of its proper divisors (2172869).

63012331 is a wasteful number, since it uses less digits than its factorization.

63012331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172868.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 63012331 is about 7938.0306751738. The cubic root of 63012331 is about 397.9316798127.

Adding to 63012331 its reverse (13321036), we get a palindrome (76333367).

The spelling of 63012331 in words is "sixty-three million, twelve thousand, three hundred thirty-one".