13435240311 has 32 divisors (see below), whose sum is σ = 20460957120. Its totient is φ = 8706673152.

The previous prime is 13435240249. The next prime is 13435240331. The reversal of 13435240311 is 11304253431.

It is a happy number.

13435240311 is a `hidden beast` number, since 1 + 343 + 5 + 2 + 4 + 0 + 311 = 666.

It is not a de Polignac number, because 13435240311 - 2¹⁴ = 13435223927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13435240331) 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, 1186171 + ... + 1197443.

It is an arithmetic number, because the mean of its divisors is an integer number (639404910).

Almost surely, 2^13435240311 is an apocalyptic number.

13435240311 is a deficient number, since it is larger than the sum of its proper divisors (7025716809).

13435240311 is a wasteful number, since it uses less digits than its factorization.

13435240311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12512 (or 12506 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 13435240311 its reverse (11304253431), we get a palindrome (24739493742).

The spelling of 13435240311 in words is "thirteen billion, four hundred thirty-five million, two hundred forty thousand, three hundred eleven".