13321211200531 has 16 divisors (see below), whose sum is σ = 14533541890560. Its totient is φ = 12135812850720.

The previous prime is 13321211200481. The next prime is 13321211200541. The reversal of 13321211200531 is 13500211212331.

It is not a de Polignac number, because 13321211200531 - 2²³ = 13321202811923 is a prime.

It is a super-3 number, since 3×13321211200531³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13321211200496 and 13321211200505.

It is not an unprimeable number, because it can be changed into a prime (13321211200541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213865 + ... + 5166058.

It is an arithmetic number, because the mean of its divisors is an integer number (908346368160).

Almost surely, 2^{13321211200531} is an apocalyptic number.

13321211200531 is a deficient number, since it is larger than the sum of its proper divisors (1212330690029).

13321211200531 is a wasteful number, since it uses less digits than its factorization.

13321211200531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5382426.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 13321211200531 its reverse (13500211212331), we get a palindrome (26821422412862).

The spelling of 13321211200531 in words is "thirteen trillion, three hundred twenty-one billion, two hundred eleven million, two hundred thousand, five hundred thirty-one".