133747103531 has 2 divisors, whose sum is σ = 133747103532. Its totient is φ = 133747103530.

The previous prime is 133747103513. The next prime is 133747103537. The reversal of 133747103531 is 135301747331.

Together with previous prime (133747103513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (135301747331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133747103531 - 2¹⁰ = 133747102507 is a prime.

It is a super-2 number, since 2×133747103531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133747103537) 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 as a sum of consecutive naturals, namely, 66873551765 + 66873551766.

It is an arithmetic number, because the mean of its divisors is an integer number (66873551766).

Almost surely, 2^133747103531 is an apocalyptic number.

133747103531 is a deficient number, since it is larger than the sum of its proper divisors (1).

133747103531 is an equidigital number, since it uses as much as digits as its factorization.

133747103531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 38.

The spelling of 133747103531 in words is "one hundred thirty-three billion, seven hundred forty-seven million, one hundred three thousand, five hundred thirty-one".