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31110102230223 = 3421128431191791
BaseRepresentation
bin1110001001011011000101…
…00101111010010011001111
311002011002121111212222211210
413010231202211322103033
513034201442132331343
6150055441134345503
76360426222560052
oct704554245722317
9132132544788753
1031110102230223
119a047a1741145
1235a541a35b293
131448893149633
14797a463c8a99
1538e3a25cd333
hex1c4b6297a4cf

31110102230223 has 16 divisors (see below), whose sum is σ = 41579204483072. Its totient is φ = 20690535348000.

The previous prime is 31110102230219. The next prime is 31110102230239. The reversal of 31110102230223 is 32203220101113.

It is not a de Polignac number, because 31110102230223 - 22 = 31110102230219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31110102230223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31110102230203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162112458 + ... + 162304248.

It is an arithmetic number, because the mean of its divisors is an integer number (2598700280192).

Almost surely, 231110102230223 is an apocalyptic number.

31110102230223 is a deficient number, since it is larger than the sum of its proper divisors (10469102252849).

31110102230223 is a wasteful number, since it uses less digits than its factorization.

31110102230223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320646.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31110102230223 its reverse (32203220101113), we get a palindrome (63313322331336).

The spelling of 31110102230223 in words is "thirty-one trillion, one hundred ten billion, one hundred two million, two hundred thirty thousand, two hundred twenty-three".

Divisors: 1 3 421 1263 128431 191791 385293 575373 54069451 80744011 162208353 242232033 24631909921 73895729763 10370034076741 31110102230223