63534407323131 has 20 divisors (see below), whose sum is σ = 96518057585400. Its totient is φ = 41638368638016.

The previous prime is 63534407323103. The next prime is 63534407323133. The reversal of 63534407323131 is 13132370443536.

It is a happy number.

63534407323131 is a `hidden beast` number, since 6 + 3 + 5 + 3 + 4 + 407 + 3 + 231 + 3 + 1 = 666.

It is not a de Polignac number, because 63534407323131 - 2⁹ = 63534407322619 is a prime.

It is a super-2 number, since 2×63534407323131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63534407323133) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6647244366 + ... + 6647253923.

It is an arithmetic number, because the mean of its divisors is an integer number (4825902879270).

Almost surely, 2^{63534407323131} is an apocalyptic number.

63534407323131 is a deficient number, since it is larger than the sum of its proper divisors (32983650262269).

63534407323131 is a wasteful number, since it uses less digits than its factorization.

63534407323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13294498360 (or 13294498351 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 45.

Adding to 63534407323131 its reverse (13132370443536), we get a palindrome (76666777766667).

The spelling of 63534407323131 in words is "sixty-three trillion, five hundred thirty-four billion, four hundred seven million, three hundred twenty-three thousand, one hundred thirty-one".