133213131000231 has 8 divisors (see below), whose sum is σ = 183347105032704. Its totient is φ = 85943955483960.

The previous prime is 133213131000163. The next prime is 133213131000359. The reversal of 133213131000231 is 132000131312331.

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

It is not a de Polignac number, because 133213131000231 - 2³⁸ = 132938253093287 is a prime.

It is a super-5 number, since 5×133213131000231⁵ (a number of 72 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133213131000731) 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, 716199628941 + ... + 716199629126.

It is an arithmetic number, because the mean of its divisors is an integer number (22918388129088).

Almost surely, 2^{133213131000231} is an apocalyptic number.

133213131000231 is a deficient number, since it is larger than the sum of its proper divisors (50133974032473).

133213131000231 is a wasteful number, since it uses less digits than its factorization.

133213131000231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432399258101.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 133213131000231 its reverse (132000131312331), we get a palindrome (265213262312562).

The spelling of 133213131000231 in words is "one hundred thirty-three trillion, two hundred thirteen billion, one hundred thirty-one million, two hundred thirty-one", and thus it is an aban number.