63131733346 has 16 divisors (see below), whose sum is σ = 103317873120. Its totient is φ = 28693075680.

The previous prime is 63131733323. The next prime is 63131733347. The reversal of 63131733346 is 64333713136.

It is a junction number, because it is equal to n+sod(n) for n = 63131733299 and 63131733308.

It is not an unprimeable number, because it can be changed into a prime (63131733347) 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, 51745 + ... + 359083.

It is an arithmetic number, because the mean of its divisors is an integer number (6457367070).

Almost surely, 2^63131733346 is an apocalyptic number.

63131733346 is a deficient number, since it is larger than the sum of its proper divisors (40186139774).

63131733346 is a wasteful number, since it uses less digits than its factorization.

63131733346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316689.

The product of its digits is 244944, while the sum is 40.

The spelling of 63131733346 in words is "sixty-three billion, one hundred thirty-one million, seven hundred thirty-three thousand, three hundred forty-six".