13021000233031 has 16 divisors (see below), whose sum is σ = 14914750233600. Its totient is φ = 11135653562880.

The previous prime is 13021000232983. The next prime is 13021000233121. The reversal of 13021000233031 is 13033200012031.

It is not a de Polignac number, because 13021000233031 - 2¹¹ = 13021000230983 is a prime.

It is a super-2 number, since 2×13021000233031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021000273031) 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, 190579366 + ... + 190647676.

It is an arithmetic number, because the mean of its divisors is an integer number (932171889600).

Almost surely, 2^{13021000233031} is an apocalyptic number.

13021000233031 is a deficient number, since it is larger than the sum of its proper divisors (1893750000569).

13021000233031 is an equidigital number, since it uses as much as digits as its factorization.

13021000233031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129414.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13021000233031 its reverse (13033200012031), we get a palindrome (26054200245062).

The spelling of 13021000233031 in words is "thirteen trillion, twenty-one billion, two hundred thirty-three thousand, thirty-one".