133013202131 has 4 divisors (see below), whose sum is σ = 140013897000. Its totient is φ = 126012507264.

The previous prime is 133013202121. The next prime is 133013202137. The reversal of 133013202131 is 131202310331.

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 133013202131 - 2¹⁰ = 133013201107 is a prime.

It is a super-2 number, since 2×133013202131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133013202137) 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, 3500347406 + ... + 3500347443.

It is an arithmetic number, because the mean of its divisors is an integer number (35003474250).

Almost surely, 2^133013202131 is an apocalyptic number.

133013202131 is a deficient number, since it is larger than the sum of its proper divisors (7000694869).

133013202131 is an equidigital number, since it uses as much as digits as its factorization.

133013202131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000694868.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 133013202131 its reverse (131202310331), we get a palindrome (264215512462).

The spelling of 133013202131 in words is "one hundred thirty-three billion, thirteen million, two hundred two thousand, one hundred thirty-one".