30031026 has 32 divisors (see below), whose sum is σ = 61966080. Its totient is φ = 9697536.

The previous prime is 30031021. The next prime is 30031049. The reversal of 30031026 is 62013003.

It is a super-2 number, since 2×30031026² = 1803725045225352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30030996 and 30031014.

It is not an unprimeable number, because it can be changed into a prime (30031021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30250 + ... + 31226.

It is an arithmetic number, because the mean of its divisors is an integer number (1936440).

Almost surely, 2^30031026 is an apocalyptic number.

30031026 is an abundant number, since it is smaller than the sum of its proper divisors (31935054).

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

30031026 is a wasteful number, since it uses less digits than its factorization.

30031026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 30031026 is about 5480.0571164907. The cubic root of 30031026 is about 310.8303303518.

Adding to 30031026 its reverse (62013003), we get a palindrome (92044029).

The spelling of 30031026 in words is "thirty million, thirty-one thousand, twenty-six".