30131121022 has 8 divisors (see below), whose sum is σ = 45240951672. Its totient is φ = 15050803800.

The previous prime is 30131121019. The next prime is 30131121023. The reversal of 30131121022 is 22012113103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 30131120987 and 30131121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30131121023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7375804 + ... + 7379887.

It is an arithmetic number, because the mean of its divisors is an integer number (5655118959).

Almost surely, 2^30131121022 is an apocalyptic number.

30131121022 is a deficient number, since it is larger than the sum of its proper divisors (15109830650).

30131121022 is a wasteful number, since it uses less digits than its factorization.

30131121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14756714.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30131121022 its reverse (22012113103), we get a palindrome (52143234125).

The spelling of 30131121022 in words is "thirty billion, one hundred thirty-one million, one hundred twenty-one thousand, twenty-two".