30119031 has 6 divisors (see below), whose sum is σ = 43505280. Its totient is φ = 20079348.

The previous prime is 30119027. The next prime is 30119059. The reversal of 30119031 is 13091103.

It is not a de Polignac number, because 30119031 - 2² = 30119027 is a prime.

It is a super-2 number, since 2×30119031² = 1814312056757922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30118995 and 30119013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30119021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1673271 + ... + 1673288.

It is an arithmetic number, because the mean of its divisors is an integer number (7250880).

Almost surely, 2^30119031 is an apocalyptic number.

30119031 is a deficient number, since it is larger than the sum of its proper divisors (13386249).

30119031 is a wasteful number, since it uses less digits than its factorization.

30119031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346565 (or 3346562 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 30119031 is about 5488.0808120872. The cubic root of 30119031 is about 311.1336604924.

The spelling of 30119031 in words is "thirty million, one hundred nineteen thousand, thirty-one".