31344969496783 has 32 divisors (see below), whose sum is σ = 32560756462080. Its totient is φ = 30159164206080.

The previous prime is 31344969496769. The next prime is 31344969496801. The reversal of 31344969496783 is 38769496944313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31344969496783 is a prime.

It is a super-2 number, since 2×31344969496783² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31344969496733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1324181038 + ... + 1324204708.

It is an arithmetic number, because the mean of its divisors is an integer number (1017523639440).

Almost surely, 2^{31344969496783} is an apocalyptic number.

31344969496783 is a deficient number, since it is larger than the sum of its proper divisors (1215786965297).

31344969496783 is a wasteful number, since it uses less digits than its factorization.

31344969496783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26319.

The product of its digits is 2539579392, while the sum is 76.

The spelling of 31344969496783 in words is "thirty-one trillion, three hundred forty-four billion, nine hundred sixty-nine million, four hundred ninety-six thousand, seven hundred eighty-three".