63232131601 has 4 divisors (see below), whose sum is σ = 66951668772. Its totient is φ = 59512594432.

The previous prime is 63232131583. The next prime is 63232131617. The reversal of 63232131601 is 10613123236.

63232131601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 251460²+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49228959376 + 14003172225 = 221876^2 + 118335^2 .

It is a cyclic number.

It is not a de Polignac number, because 63232131601 - 2⁵ = 63232131569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63232131601.

It is not an unprimeable number, because it can be changed into a prime (63232131631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1859768560 + ... + 1859768593.

It is an arithmetic number, because the mean of its divisors is an integer number (16737917193).

Almost surely, 2^63232131601 is an apocalyptic number.

It is an amenable number.

63232131601 is a deficient number, since it is larger than the sum of its proper divisors (3719537171).

63232131601 is a wasteful number, since it uses less digits than its factorization.

63232131601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719537170.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 63232131601 its reverse (10613123236), we get a palindrome (73845254837).

The spelling of 63232131601 in words is "sixty-three billion, two hundred thirty-two million, one hundred thirty-one thousand, six hundred one".