133213102210231 has 4 divisors (see below), whose sum is σ = 133435494702000. Its totient is φ = 132990709718464.

The previous prime is 133213102209989. The next prime is 133213102210247. The reversal of 133213102210231 is 132012201312331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133213102210231 - 2¹³ = 133213102202039 is a prime.

It is a super-2 number, since 2×133213102210231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133213102210196 and 133213102210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133213102810231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111196244986 + ... + 111196246183.

It is an arithmetic number, because the mean of its divisors is an integer number (33358873675500).

Almost surely, 2^{133213102210231} is an apocalyptic number.

133213102210231 is a deficient number, since it is larger than the sum of its proper divisors (222392491769).

133213102210231 is an equidigital number, since it uses as much as digits as its factorization.

133213102210231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222392491768.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 133213102210231 its reverse (132012201312331), we get a palindrome (265225303522562).

The spelling of 133213102210231 in words is "one hundred thirty-three trillion, two hundred thirteen billion, one hundred two million, two hundred ten thousand, two hundred thirty-one".