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20311102322 = 271450793023
BaseRepresentation
bin10010111010101000…
…101101001101110010
31221102111220220101222
4102322220231031302
5313044120233242
613155241225042
71316220343520
oct227250551562
957374826358
1020311102322
1186830a6885
123b2a192182
131bb8c91c54
14da9749310
157dd21e5d2
hex4baa2d372

20311102322 has 8 divisors (see below), whose sum is σ = 34819032576. Its totient is φ = 8704758132.

The previous prime is 20311102297. The next prime is 20311102333. The reversal of 20311102322 is 22320111302.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20311102322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725396498 + ... + 725396525.

It is an arithmetic number, because the mean of its divisors is an integer number (4352379072).

Almost surely, 220311102322 is an apocalyptic number.

20311102322 is a deficient number, since it is larger than the sum of its proper divisors (14507930254).

20311102322 is a wasteful number, since it uses less digits than its factorization.

20311102322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450793032.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20311102322 its reverse (22320111302), we get a palindrome (42631213624).

The spelling of 20311102322 in words is "twenty billion, three hundred eleven million, one hundred two thousand, three hundred twenty-two".

Divisors: 1 2 7 14 1450793023 2901586046 10155551161 20311102322