133031130 has 16 divisors (see below), whose sum is σ = 319274784. Its totient is φ = 35474960.

The previous prime is 133031123. The next prime is 133031159. The reversal of 133031130 is 31130331.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2217156 + ... + 2217215.

It is an arithmetic number, because the mean of its divisors is an integer number (19954674).

Almost surely, 2^133031130 is an apocalyptic number.

133031130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133031130 is an abundant number, since it is smaller than the sum of its proper divisors (186243654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133031130 is a wasteful number, since it uses less digits than its factorization.

133031130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4434381.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 133031130 is about 11533.9121723724. The cubic root of 133031130 is about 510.4866941840.

Adding to 133031130 its reverse (31130331), we get a palindrome (164161461).

The spelling of 133031130 in words is "one hundred thirty-three million, thirty-one thousand, one hundred thirty".