30921291435146 has 16 divisors (see below), whose sum is σ = 53008027902144. Its totient is φ = 13251957111744.

The previous prime is 30921291435127. The next prime is 30921291435161. The reversal of 30921291435146 is 64153419212903.

It is a super-2 number, since 2×30921291435146² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30921291435094 and 30921291435103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6995906 + ... + 10525458.

It is an arithmetic number, because the mean of its divisors is an integer number (3313001743884).

Almost surely, 2^{30921291435146} is an apocalyptic number.

30921291435146 is a deficient number, since it is larger than the sum of its proper divisors (22086736466998).

30921291435146 is a wasteful number, since it uses less digits than its factorization.

30921291435146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155325.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 30921291435146 in words is "thirty trillion, nine hundred twenty-one billion, two hundred ninety-one million, four hundred thirty-five thousand, one hundred forty-six".