133131000311 has 8 divisors (see below), whose sum is σ = 134280560640. Its totient is φ = 131983022808.

The previous prime is 133131000293. The next prime is 133131000313. The reversal of 133131000311 is 113000131331.

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-133131000311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133131000311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133131000313) 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, 226451 + ... + 563508.

It is an arithmetic number, because the mean of its divisors is an integer number (16785070080).

Almost surely, 2^133131000311 is an apocalyptic number.

133131000311 is a deficient number, since it is larger than the sum of its proper divisors (1149560329).

133131000311 is a wasteful number, since it uses less digits than its factorization.

133131000311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791413.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 133131000311 its reverse (113000131331), we get a palindrome (246131131642).

The spelling of 133131000311 in words is "one hundred thirty-three billion, one hundred thirty-one million, three hundred eleven", and thus it is an aban number.