13131434530511 has 8 divisors (see below), whose sum is σ = 14819173765200. Its totient is φ = 11526024039040.

The previous prime is 13131434530441. The next prime is 13131434530517. The reversal of 13131434530511 is 11503543413131.

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

It is a cyclic number.

It is not a de Polignac number, because 13131434530511 - 2²² = 13131430336207 is a prime.

It is a super-2 number, since 2×13131434530511² (a number of 27 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 (13131434530517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20582185466 + ... + 20582186103.

It is an arithmetic number, because the mean of its divisors is an integer number (1852396720650).

Almost surely, 2^{13131434530511} is an apocalyptic number.

13131434530511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13131434530511 is a deficient number, since it is larger than the sum of its proper divisors (1687739234689).

13131434530511 is a wasteful number, since it uses less digits than its factorization.

13131434530511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41164371609.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 13131434530511 its reverse (11503543413131), we get a palindrome (24634977943642).

The spelling of 13131434530511 in words is "thirteen trillion, one hundred thirty-one billion, four hundred thirty-four million, five hundred thirty thousand, five hundred eleven".