31283663113 has 4 divisors (see below), whose sum is σ = 32292813568. Its totient is φ = 30274512660.

The previous prime is 31283663111. The next prime is 31283663129. The reversal of 31283663113 is 31136638213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31283663113 - 2¹ = 31283663111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31283663111) 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, 504575181 + ... + 504575242.

It is an arithmetic number, because the mean of its divisors is an integer number (8073203392).

Almost surely, 2^31283663113 is an apocalyptic number.

It is an amenable number.

31283663113 is a deficient number, since it is larger than the sum of its proper divisors (1009150455).

31283663113 is a wasteful number, since it uses less digits than its factorization.

31283663113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009150454.

The product of its digits is 46656, while the sum is 37.

The spelling of 31283663113 in words is "thirty-one billion, two hundred eighty-three million, six hundred sixty-three thousand, one hundred thirteen".