631052071 has 8 divisors (see below), whose sum is σ = 687783600. Its totient is φ = 575490432.

The previous prime is 631052069. The next prime is 631052083. The reversal of 631052071 is 170250136.

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 631052071 - 2¹ = 631052069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631052671) 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, 291346 + ... + 293503.

It is an arithmetic number, because the mean of its divisors is an integer number (85972950).

Almost surely, 2^631052071 is an apocalyptic number.

631052071 is a deficient number, since it is larger than the sum of its proper divisors (56731529).

631052071 is a wasteful number, since it uses less digits than its factorization.

631052071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584945.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 631052071 is about 25120.7498096693. The cubic root of 631052071 is about 857.7388188098.

The spelling of 631052071 in words is "six hundred thirty-one million, fifty-two thousand, seventy-one".