30131122 has 16 divisors (see below), whose sum is σ = 52382592. Its totient is φ = 12731040.

The previous prime is 30131113. The next prime is 30131137. The reversal of 30131122 is 22113103.

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, 14163 + ... + 16150.

It is an arithmetic number, because the mean of its divisors is an integer number (3273912).

Almost surely, 2^30131122 is an apocalyptic number.

30131122 is a deficient number, since it is larger than the sum of its proper divisors (22251470).

30131122 is a wasteful number, since it uses less digits than its factorization.

30131122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30393.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 30131122 is about 5489.1822706119. The cubic root of 30131122 is about 311.1752888104.

Adding to 30131122 its reverse (22113103), we get a palindrome (52244225).

The spelling of 30131122 in words is "thirty million, one hundred thirty-one thousand, one hundred twenty-two".