63507323031 has 16 divisors (see below), whose sum is σ = 85955808000. Its totient is φ = 41698755648.

The previous prime is 63507322997. The next prime is 63507323083. The reversal of 63507323031 is 13032370536.

It is not a de Polignac number, because 63507323031 - 2¹⁰ = 63507322007 is a prime.

It is a super-2 number, since 2×63507323031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63507322983 and 63507323001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63507323531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1220515 + ... + 1271483.

It is an arithmetic number, because the mean of its divisors is an integer number (5372238000).

Almost surely, 2^63507323031 is an apocalyptic number.

63507323031 is a deficient number, since it is larger than the sum of its proper divisors (22448484969).

63507323031 is a wasteful number, since it uses less digits than its factorization.

63507323031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57238.

The product of its (nonzero) digits is 34020, while the sum is 33.

Adding to 63507323031 its reverse (13032370536), we get a palindrome (76539693567).

The spelling of 63507323031 in words is "sixty-three billion, five hundred seven million, three hundred twenty-three thousand, thirty-one".