31129648963 has 8 divisors (see below), whose sum is σ = 37449201920. Its totient is φ = 25278211080.

The previous prime is 31129648933. The next prime is 31129648967. The reversal of 31129648963 is 36984692113.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31129648963 - 2²⁵ = 31096094531 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 31129648963.

It is not an unprimeable number, because it can be changed into a prime (31129648967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117028623 + ... + 117028888.

It is an arithmetic number, because the mean of its divisors is an integer number (4681150240).

Almost surely, 2^31129648963 is an apocalyptic number.

31129648963 is a deficient number, since it is larger than the sum of its proper divisors (6319552957).

31129648963 is a wasteful number, since it uses less digits than its factorization.

31129648963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234057537.

The product of its digits is 1679616, while the sum is 52.

The spelling of 31129648963 in words is "thirty-one billion, one hundred twenty-nine million, six hundred forty-eight thousand, nine hundred sixty-three".