133402313213 has 4 divisors (see below), whose sum is σ = 143664029628. Its totient is φ = 123140596800.

The previous prime is 133402313203. The next prime is 133402313257. The reversal of 133402313213 is 312313204331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312313204331 = 29 ⋅10769420839.

It can be written as a sum of positive squares in 2 ways, for example, as 6251590489 + 127150722724 = 79067^2 + 356582^2 .

It is not a de Polignac number, because 133402313213 - 2⁸ = 133402312957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133402313203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5130858188 + ... + 5130858213.

It is an arithmetic number, because the mean of its divisors is an integer number (35916007407).

Almost surely, 2^133402313213 is an apocalyptic number.

133402313213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133402313213 is a deficient number, since it is larger than the sum of its proper divisors (10261716415).

133402313213 is a wasteful number, since it uses less digits than its factorization.

133402313213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10261716414.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 133402313213 its reverse (312313204331), we get a palindrome (445715517544).

The spelling of 133402313213 in words is "one hundred thirty-three billion, four hundred two million, three hundred thirteen thousand, two hundred thirteen".