63190631 has 16 divisors (see below), whose sum is σ = 73310208. Its totient is φ = 53352000.

The previous prime is 63190627. The next prime is 63190661. The reversal of 63190631 is 13609136.

63190631 = T₄₉₀ + T₄₉₁ + ... + T₇₉₁.

It is a cyclic number.

It is not a de Polignac number, because 63190631 - 2² = 63190627 is a prime.

It is a super-2 number, since 2×63190631² = 7986111692356322, 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 = 63190594 and 63190603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63190661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201731 + ... + 202043.

It is an arithmetic number, because the mean of its divisors is an integer number (4581888).

Almost surely, 2^63190631 is an apocalyptic number.

63190631 is a deficient number, since it is larger than the sum of its proper divisors (10119577).

63190631 is a wasteful number, since it uses less digits than its factorization.

63190631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 63190631 is about 7949.2534869634. The cubic root of 63190631 is about 398.3066561656.

Adding to 63190631 its reverse (13609136), we get a palindrome (76799767).

The spelling of 63190631 in words is "sixty-three million, one hundred ninety thousand, six hundred thirty-one".