319550130 has 128 divisors (see below), whose sum is σ = 906163200. Its totient is φ = 79978752.

The previous prime is 319550123. The next prime is 319550131. The reversal of 319550130 is 31055913.

It is a super-2 number, since 2×319550130² = 204224571166033800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 319550094 and 319550103.

It is not an unprimeable number, because it can be changed into a prime (319550131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 289159 + ... + 290261.

It is an arithmetic number, because the mean of its divisors is an integer number (7079400).

Almost surely, 2^319550130 is an apocalyptic number.

319550130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 319550130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453081600).

319550130 is an abundant number, since it is smaller than the sum of its proper divisors (586613070).

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

319550130 is a wasteful number, since it uses less digits than its factorization.

319550130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 27.

The square root of 319550130 is about 17875.9651487689. The cubic root of 319550130 is about 683.6697004829.

The spelling of 319550130 in words is "three hundred nineteen million, five hundred fifty thousand, one hundred thirty".