133312302131 has 8 divisors (see below), whose sum is σ = 133535468160. Its totient is φ = 133089296832.

The previous prime is 133312302119. The next prime is 133312302143. The reversal of 133312302131 is 131203213331.

It is an interprime number because it is at equal distance from previous prime (133312302119) and next prime (133312302143).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133312302131 is a prime.

It is a super-2 number, since 2×133312302131² (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 = 133312302097 and 133312302106.

It is not an unprimeable number, because it can be changed into a prime (133312302631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1681205 + ... + 1758713.

It is an arithmetic number, because the mean of its divisors is an integer number (16691933520).

Almost surely, 2^133312302131 is an apocalyptic number.

133312302131 is a deficient number, since it is larger than the sum of its proper divisors (223166029).

133312302131 is an equidigital number, since it uses as much as digits as its factorization.

133312302131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80365.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 133312302131 its reverse (131203213331), we get a palindrome (264515515462).

The spelling of 133312302131 in words is "one hundred thirty-three billion, three hundred twelve million, three hundred two thousand, one hundred thirty-one".