13435312031 has 8 divisors (see below), whose sum is σ = 13751358720. Its totient is φ = 13119428952.

The previous prime is 13435312003. The next prime is 13435312049. The reversal of 13435312031 is 13021353431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13435312031 is a prime.

It is a super-2 number, since 2×13435312031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13435315031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133946 + ... + 211688.

It is an arithmetic number, because the mean of its divisors is an integer number (1718919840).

Almost surely, 2^13435312031 is an apocalyptic number.

13435312031 is a deficient number, since it is larger than the sum of its proper divisors (316046689).

13435312031 is an equidigital number, since it uses as much as digits as its factorization.

13435312031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81805.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 13435312031 its reverse (13021353431), we get a palindrome (26456665462).

The spelling of 13435312031 in words is "thirteen billion, four hundred thirty-five million, three hundred twelve thousand, thirty-one".