133210131 has 16 divisors (see below), whose sum is σ = 184040448. Its totient is φ = 85615200.

The previous prime is 133210111. The next prime is 133210139. The reversal of 133210131 is 131012331.

It is not a de Polignac number, because 133210131 - 2⁶ = 133210067 is a prime.

It is a super-2 number, since 2×133210131² = 35489878002074322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133210131.

It is not an unprimeable number, because it can be changed into a prime (133210139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23176 + ... + 28346.

It is an arithmetic number, because the mean of its divisors is an integer number (11502528).

Almost surely, 2^133210131 is an apocalyptic number.

133210131 is a deficient number, since it is larger than the sum of its proper divisors (50830317).

133210131 is a wasteful number, since it uses less digits than its factorization.

133210131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5482.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 133210131 is about 11541.6693333330. The cubic root of 133210131 is about 510.7155545886.

Adding to 133210131 its reverse (131012331), we get a palindrome (264222462).

The spelling of 133210131 in words is "one hundred thirty-three million, two hundred ten thousand, one hundred thirty-one".