133031113009 has 2 divisors, whose sum is σ = 133031113010. Its totient is φ = 133031113008.

The previous prime is 133031113001. The next prime is 133031113027. The reversal of 133031113009 is 900311130331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81640489984 + 51390623025 = 285728^2 + 226695^2 .

It is a cyclic number.

It is not a de Polignac number, because 133031113009 - 2³ = 133031113001 is a prime.

It is not a weakly prime, because it can be changed into another prime (133031113001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66515556504 + 66515556505.

It is an arithmetic number, because the mean of its divisors is an integer number (66515556505).

Almost surely, 2^133031113009 is an apocalyptic number.

It is an amenable number.

133031113009 is a deficient number, since it is larger than the sum of its proper divisors (1).

133031113009 is an equidigital number, since it uses as much as digits as its factorization.

133031113009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 25.

The spelling of 133031113009 in words is "one hundred thirty-three billion, thirty-one million, one hundred thirteen thousand, nine".