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103423220220031 = 2313939781486359
BaseRepresentation
bin10111100001000000011000…
…010011011000000001111111
3111120012011102001002120101221
4113201000120103120001333
5102023441223334020111
61003543545500214211
730533036545001005
oct2741003023300177
9446164361076357
10103423220220031
112aa545a5638238
12b72414323a367
1345929c9b89c3a
141b779d3b22a75
15be541e21c371
hex5e10184d807f

103423220220031 has 16 divisors (see below), whose sum is σ = 108970079500800. Its totient is φ = 97967462823648.

The previous prime is 103423220220029. The next prime is 103423220220059. The reversal of 103423220220031 is 130022022324301.

It is not a de Polignac number, because 103423220220031 - 21 = 103423220220029 is a prime.

It is a super-2 number, since 2×1034232202200312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103423220219978 and 103423220220005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103423220220091) 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, 39473971 + ... + 42012388.

It is an arithmetic number, because the mean of its divisors is an integer number (6810629968800).

Almost surely, 2103423220220031 is an apocalyptic number.

103423220220031 is a deficient number, since it is larger than the sum of its proper divisors (5546859280769).

103423220220031 is a wasteful number, since it uses less digits than its factorization.

103423220220031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81486918.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 103423220220031 its reverse (130022022324301), we get a palindrome (233445242544332).

The spelling of 103423220220031 in words is "one hundred three trillion, four hundred twenty-three billion, two hundred twenty million, two hundred twenty thousand, thirty-one".

Divisors: 1 23 139 397 3197 9131 55183 1269209 81486359 1874186257 11326603901 32350084523 260511889723 744051944029 4496661748697 103423220220031