133320000231 has 12 divisors (see below), whose sum is σ = 210080000520. Its totient is φ = 80800000080.

The previous prime is 133320000211. The next prime is 133320000257. The reversal of 133320000231 is 132000023331.

It is not a de Polignac number, because 133320000231 - 2⁵ = 133320000199 is a prime.

It is a super-2 number, since 2×133320000231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133320000211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 673333236 + ... + 673333433.

It is an arithmetic number, because the mean of its divisors is an integer number (17506666710).

Almost surely, 2^133320000231 is an apocalyptic number.

133320000231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133320000231 is a deficient number, since it is larger than the sum of its proper divisors (76760000289).

133320000231 is a wasteful number, since it uses less digits than its factorization.

133320000231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346666686 (or 1346666683 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 133320000231 its reverse (132000023331), we get a palindrome (265320023562).

The spelling of 133320000231 in words is "one hundred thirty-three billion, three hundred twenty million, two hundred thirty-one", and thus it is an aban number.