133120311303 has 24 divisors (see below), whose sum is σ = 210865358592. Its totient is φ = 74450261424.

The previous prime is 133120311281. The next prime is 133120311319. The reversal of 133120311303 is 303113021331.

It is a de Polignac number, because none of the positive numbers 2^k-133120311303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 133120311303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133120311323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9626925 + ... + 9640742.

It is an arithmetic number, because the mean of its divisors is an integer number (8786056608).

Almost surely, 2^133120311303 is an apocalyptic number.

133120311303 is a deficient number, since it is larger than the sum of its proper divisors (77745047289).

133120311303 is a wasteful number, since it uses less digits than its factorization.

133120311303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19267731 (or 19267724 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 133120311303 its reverse (303113021331), we get a palindrome (436233332634).

The spelling of 133120311303 in words is "one hundred thirty-three billion, one hundred twenty million, three hundred eleven thousand, three hundred three".