31342055613 has 48 divisors (see below), whose sum is σ = 46824801408. Its totient is φ = 18629564800.

The previous prime is 31342055603. The next prime is 31342055699. The reversal of 31342055613 is 31655024313.

It is not a de Polignac number, because 31342055613 - 2⁴ = 31342055597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31342055603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5074195 + ... + 5080367.

It is an arithmetic number, because the mean of its divisors is an integer number (975516696).

Almost surely, 2^31342055613 is an apocalyptic number.

31342055613 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31342055613 is a deficient number, since it is larger than the sum of its proper divisors (15482745795).

31342055613 is a wasteful number, since it uses less digits than its factorization.

31342055613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6466 (or 6455 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 31342055613 its reverse (31655024313), we get a palindrome (62997079926).

The spelling of 31342055613 in words is "thirty-one billion, three hundred forty-two million, fifty-five thousand, six hundred thirteen".