133502103131 has 4 divisors (see below), whose sum is σ = 133526368512. Its totient is φ = 133477837752.

The previous prime is 133502103121. The next prime is 133502103143. The reversal of 133502103131 is 131301205331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133502103131 - 2⁶ = 133502103067 is a prime.

It is a super-2 number, since 2×133502103131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133502103097 and 133502103106.

It is not an unprimeable number, because it can be changed into a prime (133502103121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12124436 + ... + 12135441.

It is an arithmetic number, because the mean of its divisors is an integer number (33381592128).

Almost surely, 2^133502103131 is an apocalyptic number.

133502103131 is a deficient number, since it is larger than the sum of its proper divisors (24265381).

133502103131 is an equidigital number, since it uses as much as digits as its factorization.

133502103131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24265380.

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 133502103131 its reverse (131301205331), we get a palindrome (264803308462).

The spelling of 133502103131 in words is "one hundred thirty-three billion, five hundred two million, one hundred three thousand, one hundred thirty-one".