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221030013032331 = 31943671345963043
BaseRepresentation
bin110010010000011010001111…
…011010010101011110001011
31001222121021002122100000002020
4302100122033122111132023
5212432323431314013311
62102031441453335523
764361614525553436
oct6220321732253613
91058537078300066
10221030013032331
1164477336130728
12209591201975a3
13964406b817379
143c81ca436681d
151a847704dbc06
hexc9068f69578b

221030013032331 has 32 divisors (see below), whose sum is σ = 322169714211840. Its totient is φ = 134316343887264.

The previous prime is 221030013032327. The next prime is 221030013032351. The reversal of 221030013032331 is 133230310030122.

221030013032331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221030013032331 - 22 = 221030013032327 is a prime.

It is a super-2 number, since 2×2210300130323312 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221030013032351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 672817305 + ... + 673145738.

It is an arithmetic number, because the mean of its divisors is an integer number (10067803569120).

Almost surely, 2221030013032331 is an apocalyptic number.

221030013032331 is a deficient number, since it is larger than the sum of its proper divisors (101139701179509).

221030013032331 is a wasteful number, since it uses less digits than its factorization.

221030013032331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345963175.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 221030013032331 its reverse (133230310030122), we get a palindrome (354260323062453).

The spelling of 221030013032331 in words is "two hundred twenty-one trillion, thirty billion, thirteen million, thirty-two thousand, three hundred thirty-one".

Divisors: 1 3 19 43 57 67 129 201 817 1273 2451 2881 3819 8643 54739 164217 1345963043 4037889129 25573297817 57876410849 76719893451 90179523881 173629232547 270538571643 1099651806131 1713410953739 3298955418393 3877719526883 5140232861217 11633158580649 73676671010777 221030013032331