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31740121303 = 11171995691499
BaseRepresentation
bin11101100011110110…
…111101000011010111
310000221000122020001021
4131203312331003113
51010000432340203
622325312542011
72202356402542
oct354366750327
9100830566037
1031740121303
111250851aa10
126199851907
132cbaa4b487
1417715b5859
15c5b7a55bd
hex763dbd0d7

31740121303 has 32 divisors (see below), whose sum is σ = 36936000000. Its totient is φ = 26955371520.

The previous prime is 31740121271. The next prime is 31740121331. The reversal of 31740121303 is 30312104713.

It is not a de Polignac number, because 31740121303 - 25 = 31740121271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31740121333) 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, 21173448 + ... + 21174946.

It is an arithmetic number, because the mean of its divisors is an integer number (1154250000).

Almost surely, 231740121303 is an apocalyptic number.

31740121303 is a deficient number, since it is larger than the sum of its proper divisors (5195878697).

31740121303 is a wasteful number, since it uses less digits than its factorization.

31740121303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295.

The product of its (nonzero) digits is 1512, while the sum is 25.

The spelling of 31740121303 in words is "thirty-one billion, seven hundred forty million, one hundred twenty-one thousand, three hundred three".

Divisors: 1 11 17 187 199 569 1499 2189 3383 6259 9673 16489 25483 37213 106403 113231 280313 298301 852931 1245541 1924927 3281311 5071117 9382241 14499827 21174197 55782287 159498097 169733269 1867065959 2885465573 31740121303