319100121 has 16 divisors (see below), whose sum is σ = 481662720. Its totient is φ = 208718640.

The previous prime is 319100101. The next prime is 319100191. The reversal of 319100121 is 121001913.

It is not a de Polignac number, because 319100121 - 2⁷ = 319099993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 319100094 and 319100103.

It is not an unprimeable number, because it can be changed into a prime (319100101) 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, 110065 + ... + 112926.

It is an arithmetic number, because the mean of its divisors is an integer number (30103920).

Almost surely, 2^319100121 is an apocalyptic number.

It is an amenable number.

319100121 is a deficient number, since it is larger than the sum of its proper divisors (162562599).

319100121 is a wasteful number, since it uses less digits than its factorization.

319100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223053 (or 223047 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 319100121 is about 17863.3737295059. The cubic root of 319100121 is about 683.3486219595.

The spelling of 319100121 in words is "three hundred nineteen million, one hundred thousand, one hundred twenty-one".