31543133134513 has 32 divisors (see below), whose sum is σ = 42359756785920. Its totient is φ = 22684008130560.

The previous prime is 31543133134511. The next prime is 31543133134661.

31543133134513 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31543133134513 - 2¹ = 31543133134511 is a prime.

It is a super-2 number, since 2×31543133134513² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31543133134511) 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, 2189481 + ... + 8238937.

It is an arithmetic number, because the mean of its divisors is an integer number (1323742399560).

Almost surely, 2^{31543133134513} is an apocalyptic number.

It is an amenable number.

31543133134513 is a deficient number, since it is larger than the sum of its proper divisors (10816623651407).

31543133134513 is a wasteful number, since it uses less digits than its factorization.

31543133134513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6054697.

The product of its digits is 291600, while the sum is 40.

It can be divided in two parts, 3154313 and 3134513, that added together give a palindrome (6288826).

The spelling of 31543133134513 in words is "thirty-one trillion, five hundred forty-three billion, one hundred thirty-three million, one hundred thirty-four thousand, five hundred thirteen".