631334011 has 8 divisors (see below), whose sum is σ = 787117824. Its totient is φ = 491948520.

The previous prime is 631333987. The next prime is 631334017. The reversal of 631334011 is 110433136.

It is a happy number.

631334011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 631334011 - 2⁵ = 631333979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631334017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4099495 + ... + 4099648.

It is an arithmetic number, because the mean of its divisors is an integer number (98389728).

Almost surely, 2^631334011 is an apocalyptic number.

631334011 is a deficient number, since it is larger than the sum of its proper divisors (155783813).

631334011 is a wasteful number, since it uses less digits than its factorization.

631334011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8199161.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 631334011 is about 25126.3608785674. The cubic root of 631334011 is about 857.8665393196.

Adding to 631334011 its reverse (110433136), we get a palindrome (741767147).

The spelling of 631334011 in words is "six hundred thirty-one million, three hundred thirty-four thousand, eleven".