133231021302 has 64 divisors (see below), whose sum is σ = 272219480064. Its totient is φ = 43460508960.

The previous prime is 133231021291. The next prime is 133231021303. The reversal of 133231021302 is 203120132331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133231021303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41750527 + ... + 41753717.

It is an arithmetic number, because the mean of its divisors is an integer number (4253429376).

Almost surely, 2^133231021302 is an apocalyptic number.

133231021302 is an abundant number, since it is smaller than the sum of its proper divisors (138988458762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133231021302 is a wasteful number, since it uses less digits than its factorization.

133231021302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3913.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 133231021302 its reverse (203120132331), we get a palindrome (336351153633).

The spelling of 133231021302 in words is "one hundred thirty-three billion, two hundred thirty-one million, twenty-one thousand, three hundred two".